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Environmental determinism (also known as climatic determinism or geographical determinism) is the study of how the physical environment predisposes
societies A society () is a group of individuals involved in persistent social interaction or a large social group sharing the same spatial or social territory, typically subject to the same political authority and dominant cultural expectations. ...
and states towards particular economic or social developmental (or even more generally, cultural) trajectories.
Jared Diamond Jared Mason Diamond (born September 10, 1937) is an American scientist, historian, and author. In 1985 he received a MacArthur Genius Grant, and he has written hundreds of scientific and popular articles and books. His best known is '' Guns, G ...
, Jeffrey Herbst, Ian Morris, and other social scientists sparked a revival of the theory during the late twentieth and early twenty-first centuries. This "neo-environmental determinism" school of thought examines how geographic and ecological forces influence state-building,
economic development In economics, economic development (or economic and social development) is the process by which the economic well-being and quality of life of a nation, region, local community, or an individual are improved according to targeted goals and object ...
, and
institutions An institution is a humanly devised structure of rules and norms that shape and constrain social behavior. All definitions of institutions generally entail that there is a level of persistence and continuity. Laws, rules, social conventions and ...
. While archaic versions of the geographic interpretation were used to encourage
colonialism Colonialism is the control of another territory, natural resources and people by a foreign group. Colonizers control the political and tribal power of the colonised territory. While frequently an Imperialism, imperialist project, colonialism c ...
and
eurocentrism Eurocentrism (also Eurocentricity or Western-centrism) refers to viewing Western world, the West as the center of world events or superior to other cultures. The exact scope of Eurocentrism varies from the entire Western world to just the con ...
, modern figures like Diamond use this approach to reject the
racism Racism is the belief that groups of humans possess different behavioral traits corresponding to inherited attributes and can be divided based on the superiority of one Race (human categorization), race or ethnicity over another. It may also me ...
in these explanations. Diamond argues that European powers were able to colonize, due to unique advantages bestowed by their environment, as opposed to any kind of inherent superiority.


A history of thought


Classical and medieval periods

Early theories of environmental determinism in
Ancient China The history of China spans several millennia across a wide geographical area. Each region now considered part of the Chinese world has experienced periods of unity, fracture, prosperity, and strife. Chinese civilization first emerged in the Y ...
,
Ancient Greece Ancient Greece () was a northeastern Mediterranean civilization, existing from the Greek Dark Ages of the 12th–9th centuries BC to the end of classical antiquity (), that comprised a loose collection of culturally and linguistically r ...
, and
Ancient Rome In modern historiography, ancient Rome is the Roman people, Roman civilisation from the founding of Rome, founding of the Italian city of Rome in the 8th century BC to the Fall of the Western Roman Empire, collapse of the Western Roman Em ...
suggested that environmental features completely determined the physical and intellectual qualities of whole societies. Guan Zhong (720–645 BC), an early chancellor in China, held that the qualities of major rivers shaped the character of surrounding peoples. Swift and twisting rivers made people "greedy, uncouth, and warlike". The ancient Greek philosopher
Hippocrates Hippocrates of Kos (; ; ), also known as Hippocrates II, was a Greek physician and philosopher of the Classical Greece, classical period who is considered one of the most outstanding figures in the history of medicine. He is traditionally referr ...
wrote a similar account in his treatise "Airs, Waters, Places". In this text, Hippocrates explained how the ethnicities of people were connected to their environment. He argued that there existed a connection between the geography surrounding people and their ethnicity. Hippocrates described the effects of different climates, customs, and diets on people and how this affected their behaviors, attitudes, as well as their susceptibility to diseases and illnesses. For example, he explains the Asian race were less warlike compared to other civilizations due to their climate. He attributes this to the fact that there are “no great shifts in the weather, which is neither hot nor cold but temperate” and how the climate conditions allow Asians to live without shock or mental anxieties. According to Hippocrates, anxieties and shocks promote passion and recklessness in humans, but since Asians lack this, they remain feeble. This connects to the manner in which Asians are ruled, stating they do not “rule themselves nor are autonomous but subjects to a despot, there is no self-interest in appearing warlike.” In the later chapters of his work, he contrasts this attitude to that of Europeans. He claims that laziness can be attributed as an effect of uniform climate and that “Endurance of both the body and soul comes from change. Also cowardice increases softness and laziness, while courage engenders endurance and a work ethic.” Since Europeans experience more fluctuations in their climate, they do not remain accustomed to their climate and are forced to endure constant change. Hippocrates claims that this is reflected in a person's character and ties that to the character of Europeans, explaining that “For this reason, those dwelling in Europe are more effective fighters.” According to Hippocrates, there are also physical manifestations of environmental determinism in people. He presents the connection between the nature of the land and its people, arguing that the physique and nature of a man are formed and influenced by it. He explains one of the ways this connection is exhibited by stating, “Where the land is rich, soft, and well watered, and the waters are near the surface so that they become hot in the summer and cold in the winter, and where the climate is nice, there the men are flabby and jointless, bloated and lazy and mostly cowards.” He notes the nomadic Scythians as examples of a civilization that possesses these traits. In a previous section of his text, he notes how the Scythians are flabby and bloated and that they possess the most bloated bellies of all peoples. He also comments that all males are identical and all females are identical in appearance, males with males and females with females. He attributes this to the climate conditions they live in and the fact that they experience identical summer and winter seasons. The lack of change leads them to wear the same clothes, eat the same fare, breathe the same damp air, and refrain from labor. This continuity and the lack of strong shifts in climate is what Hippocrates identifies as the cause for their appearance. Since the Scythians are not accustomed to experiencing sudden changes, they cannot develop the body or soul to endure physical activity.  In comparison, locations “where the land is barren, dry, harsh, and harried by storms in the winter or scorched by the sun in the summers, there one would find strong, lean, well-defined. muscular, and hairy men.” These characteristics would also reflect on their character, as they would possess hard-working, intelligent, and independent natures as well as being more skilled and warlike than others. Hippocrates also argues that the physical appearance caused by people's environments affect the reproduction and fertility of civilizations, which affects future generations. He presents the appearance and bodies of the Scythians as having a negative impact on the fertility of their civilization. Hippocrates argues that due to their bloated stomachs and “extremely soft and cold lower bellies” Scythian men are not eager for intercourse and due to this condition, “highly unlikely to be able to satisfy his lusts.” He further argues that the behavior of the Scythian men and their horseback riding customs also affected their fertility because the “constant bouncing on horseback has rendered Scythian men unfit for sex” and made them infertile. Women, according to Hippocrates are also infertile because of their physical condition and because they are fat and bloated. Hippocrates claims that due to their physique, women have wombs that are too wet and “incapable of absorbing a man's seed.” This he explains, affects their fertility and their reproduction as well as causes other problems in the function of their reproductive system, for example “their monthly purge is also not as it should be, but is infrequent as scanty.” Due to their fat, their wombs are clogged which blocks male seed. All of these conditions and traits are evidence that supports his claim that the Scythian race is infertile and acts as an example of how the concept of environmental determinism manifests. Writers in the medieval
Middle East The Middle East (term originally coined in English language) is a geopolitical region encompassing the Arabian Peninsula, the Levant, Turkey, Egypt, Iran, and Iraq. The term came into widespread usage by the United Kingdom and western Eur ...
also produced theories of environmental determinism. The Afro-Arab writer
al-Jahiz Abu Uthman Amr ibn Bahr al-Kinani al-Basri (; ), commonly known as al-Jahiz (), was an Arab polymath and author of works of literature (including theory and criticism), theology, zoology, philosophy, grammar, dialectics, rhetoric, philology, lin ...
argued that the skin color of people and livestock were determined by the water, soil, and heat of their environments. He compared the color of black
basalt Basalt (; ) is an aphanite, aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the planetary surface, surface of a terrestrial ...
in the northern
Najd Najd is a Historical region, historical region of the Arabian Peninsula that includes most of the central region of Saudi Arabia. It is roughly bounded by the Hejaz region to the west, the Nafud desert in Al-Jawf Province, al-Jawf to the north, ...
to the skin color of the peoples living there to support his theory.
Ibn Khaldun Ibn Khaldun (27 May 1332 – 17 March 1406, 732–808 Hijri year, AH) was an Arabs, Arab Islamic scholar, historian, philosopher and sociologist. He is widely acknowledged to be one of the greatest social scientists of the Middle Ages, and cons ...
, the Arab sociologist and
polymath A polymath or polyhistor is an individual whose knowledge spans many different subjects, known to draw on complex bodies of knowledge to solve specific problems. Polymaths often prefer a specific context in which to explain their knowledge, ...
, similarly linked skin color to environmental factors. In his '' Muqaddimah'' (1377), he wrote that black skin was due to the hot climate of
sub-Saharan Africa Sub-Saharan Africa is the area and regions of the continent of Africa that lie south of the Sahara. These include Central Africa, East Africa, Southern Africa, and West Africa. Geopolitically, in addition to the list of sovereign states and ...
and not due to African lineage. He thereby challenged
Hamitic Hamites is the name formerly used for some North Africa, Northern and Horn of Africa peoples in the context of a Scientific racism, now-outdated model of dividing humanity into different races; this was developed originally by Europeans in suppo ...
theories of race that held that the sons of
Ham (son of Noah) Ham (in ), according to the Table of Nations in the Book of Genesis, was the second son of Noah and the father of Cush, Mizraim, Phut and Canaan. Ham's descendants are interpreted by Josephus and others as having populated Africa. The Bibl ...
were cursed with black skin. Many writings of Ibn Khaldun were translated during the colonial era in order to advance the colonial propaganda machine. Ibn Khaldun believed that the physical environment influenced non-physical factors in addition to skin color. He argued that soil, climate, and food determined whether people were
nomad Nomads are communities without fixed habitation who regularly move to and from areas. Such groups include hunter-gatherers, pastoral nomads (owning livestock), tinkers and trader nomads. In the twentieth century, the population of nomadic pa ...
ic or sedentary, and what customs and ceremonies they held. His writings may have influenced the later writings of
Montesquieu Charles Louis de Secondat, baron de La Brède et de Montesquieu (18 January 168910 February 1755), generally referred to as simply Montesquieu, was a French judge, man of letters, historian, and political philosopher. He is the principal so ...
during the 18th century through the traveller Jean Chardin, who travelled to Persia and described theories resembling those of Ibn Khaldun.


Western colonial period

Environmental determinism has been widely criticized as a tool to legitimize
colonialism Colonialism is the control of another territory, natural resources and people by a foreign group. Colonizers control the political and tribal power of the colonised territory. While frequently an Imperialism, imperialist project, colonialism c ...
,
racism Racism is the belief that groups of humans possess different behavioral traits corresponding to inherited attributes and can be divided based on the superiority of one Race (human categorization), race or ethnicity over another. It may also me ...
, and
imperialism Imperialism is the maintaining and extending of Power (international relations), power over foreign nations, particularly through expansionism, employing both hard power (military and economic power) and soft power (diplomatic power and cultura ...
in
Africa Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surfac ...
,
The Americas The Americas, sometimes collectively called America, are a landmass comprising the totality of North America and South America.'' Webster's New World College Dictionary'', 2010 by Wiley Publishing, Inc., Cleveland, Ohio. When viewed as a sin ...
, and
Asia Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...
. Environmental determinism enabled geographers to scientifically justify the supremacy of white European races and the naturalness of imperialism. The scholarship bolstered religious justifications and in some cases superseded them during the late 19th century. Many writers, including
Thomas Jefferson Thomas Jefferson (, 1743July 4, 1826) was an American Founding Fathers of the United States, Founding Father and the third president of the United States from 1801 to 1809. He was the primary author of the United States Declaration of Indepe ...
, supported and legitimized African colonization by arguing that tropical climates made the people uncivilized. Jefferson argued that tropical climates encouraged laziness, relaxed attitudes, promiscuity and generally degenerative societies, while the frequent variability in the weather of the middle and northern latitudes led to stronger work ethics and civilized societies.
Adolf Hitler Adolf Hitler (20 April 1889 – 30 April 1945) was an Austrian-born German politician who was the dictator of Nazi Germany from 1933 until Death of Adolf Hitler, his suicide in 1945. Adolf Hitler's rise to power, He rose to power as the lea ...
also made use of this theory to extol the supremacy of the
Nordic race The Nordic race is an obsolete racial classification of humans based on a now-disproven theory of biological race. It was once considered a race or one of the putative sub-races into which some late-19th to mid-20th century anthropologists di ...
. Defects of character supposedly generated by tropical climates were believed to be inheritable under the Lamarckian theory of inheritance of acquired characteristics, a discredited precursor to the Darwinian theory of
natural selection Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the Heredity, heritable traits characteristic of a population over generation ...
. The theory begins with the observation that an organism faced with environmental pressures may undergo physiological changes during its lifetime through the process of
acclimatization Acclimatization or acclimatisation ( also called acclimation or acclimatation) is the process in which an individual organism adjusts to a change in its environment (such as a change in altitude, temperature, humidity, photoperiod, or pH), ...
. Lamarckianism suggested that those physiological changes may be passed directly to offspring, without the need for offspring to develop the trait in the same manner. Geographical societies like the
Royal Geographical Society The Royal Geographical Society (with the Institute of British Geographers), often shortened to RGS, is a learned society and professional body for geography based in the United Kingdom. Founded in 1830 for the advancement of geographical scien ...
and the Société de géographie supported imperialism by funding explorers and other colonial proponents. Scientific societies acted similarly. Acclimatization societies directly supported colonial enterprises and enjoyed their benefits. The writings of Lamarck provided theoretical backing for the acclimatization doctrines. The Société Zoologique d'Acclimatation was largely founded by
Isidore Geoffroy Saint-Hilaire Isidore Geoffroy Saint-Hilaire (; 16 December 1805 – 10 November 1861) was a French zoologist and an authority on deviation from normal structure. In 1854 he coined the term ''éthologie'' (ethology). Biography He was born in Paris, the ...
—son of Étienne Geoffroy Saint-Hilaire, a close colleague and supporter of Lamarck. Ellen Churchill Semple, a prominent environmental determinism scholar, applied her theories in a case study which focused on the
Philippines The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...
, where she mapped civilization and wildness onto the
topography Topography is the study of the forms and features of land surfaces. The topography of an area may refer to the landforms and features themselves, or a description or depiction in maps. Topography is a field of geoscience and planetary sci ...
of the islands. Other scholars argued that climate and topography caused specific character traits to appear in a given populations. Scholars thereby imposed racial stereotypes on whole societies. Imperial powers rationalized labor exploitation by claiming that tropical peoples were morally inferior. The role of environmental determinism in rationalizing and legitimizing
racism Racism is the belief that groups of humans possess different behavioral traits corresponding to inherited attributes and can be divided based on the superiority of one Race (human categorization), race or ethnicity over another. It may also me ...
,
ethnocentrism Ethnocentrism in social science and anthropology—as well as in colloquial English discourse—means to apply one's own culture or ethnicity as a frame of reference to judge other cultures, practices, behaviors, beliefs, and people, instead o ...
and economic inequality has consequently drawn strong criticism. David Landes similarly condemns of what he terms the unscientific moral geography of Ellsworth Huntington. He argues that Huntington undermined geography as a science by attributing all human activity to physical influences so that he might classify civilizations hierarchically – favoring those civilizations he considered best.


Late-20th-century growth of neo-environmental determinism

Environmental determinism was revived in the late-twentieth century as neo-environmental determinism, a new term coined by the
social scientist Social science (often rendered in the plural as the social sciences) is one of the branches of science, devoted to the study of societies and the relationships among members within those societies. The term was formerly used to refer to the ...
and critic Andrew Sluyter. Sluyter argues that neo-environmental determinism does not sufficiently break with its classical and imperial precursors. Others have argued that in a certain sense a Darwinian approach to determinism is useful in shedding light on human nature. Neo-environmental determinism examines how the physical environment predisposes societies and states towards particular trajectories of economic and political development. It explores how geographic and ecological forces influence state-building,
economic development In economics, economic development (or economic and social development) is the process by which the economic well-being and quality of life of a nation, region, local community, or an individual are improved according to targeted goals and object ...
, and
institutions An institution is a humanly devised structure of rules and norms that shape and constrain social behavior. All definitions of institutions generally entail that there is a level of persistence and continuity. Laws, rules, social conventions and ...
. It also addresses fears surrounding the effects of modern climate change.
Jared Diamond Jared Mason Diamond (born September 10, 1937) is an American scientist, historian, and author. In 1985 he received a MacArthur Genius Grant, and he has written hundreds of scientific and popular articles and books. His best known is '' Guns, G ...
was influential in the resurgence of environmental determinism due to the popularity of his book '' Guns, Germs, and Steel'', which addresses the geographic origins of state formation prior to 1500 A.D. Neo-environmental determinism scholars debate how much the physical environment shapes economic and political
institutions An institution is a humanly devised structure of rules and norms that shape and constrain social behavior. All definitions of institutions generally entail that there is a level of persistence and continuity. Laws, rules, social conventions and ...
. Economic historians Stanley Engerman and Kenneth Sokoloff argue that factor endowments greatly affected "institutional" development in the Americas, by which they mean the tendency to more free (democratic, free market) or unfree (dictatorial, economically restrictive) regimes. In contrast,
Daron Acemoglu Kamer Daron Acemoğlu (;, ; born September 3, 1967) is a Turkish Americans, Turkish-American economist of Armenians in Turkey, Armenian descent who has taught at the Massachusetts Institute of Technology since 1993, where he is currently the Ja ...
, Simon Johnson, and James A. Robinson underscore that the geographic factors most influenced institutional development during early state formation and
colonialism Colonialism is the control of another territory, natural resources and people by a foreign group. Colonizers control the political and tribal power of the colonised territory. While frequently an Imperialism, imperialist project, colonialism c ...
. They argue that geographic differences cannot explain economic growth disparities after 1500 A.D. directly, except through their effects on economic and political institutions. Economists Jeffrey Sachs and John Luke Gallup have examined the direct impacts of geographic and climatic factors on economic development, especially the role of geography on the cost of trade and access to markets, the disease environment, and agricultural productivity. The contemporary
global warming Present-day climate change includes both global warming—the ongoing increase in global average temperature—and its wider effects on Earth's climate system. Climate change in a broader sense also includes previous long-term changes ...
crisis has also impacted environmental determinism scholarship.
Jared Diamond Jared Mason Diamond (born September 10, 1937) is an American scientist, historian, and author. In 1985 he received a MacArthur Genius Grant, and he has written hundreds of scientific and popular articles and books. His best known is '' Guns, G ...
draws similarities between the changing climate conditions that brought down the
Easter Island Easter Island (, ; , ) is an island and special territory of Chile in the southeastern Pacific Ocean, at the southeasternmost point of the Polynesian Triangle in Oceania. The island is renowned for its nearly 1,000 extant monumental statues, ...
civilization and modern
global warming Present-day climate change includes both global warming—the ongoing increase in global average temperature—and its wider effects on Earth's climate system. Climate change in a broader sense also includes previous long-term changes ...
in his book '' Collapse: How Societies Choose to Fail or Succeed''. Alan Kolata, Charles Ortloff, and Gerald Huag similarly describe the Tiwanaku empire and
Maya civilization The Maya civilization () was a Mesoamerican civilization that existed from antiquity to the early modern period. It is known by its ancient temples and glyphs (script). The Maya script is the most sophisticated and highly developed writin ...
collapses as caused by climate events such as
drought A drought is a period of drier-than-normal conditions.Douville, H., K. Raghavan, J. Renwick, R.P. Allan, P.A. Arias, M. Barlow, R. Cerezo-Mota, A. Cherchi, T.Y. Gan, J. Gergis, D.  Jiang, A.  Khan, W.  Pokam Mba, D.  Rosenfeld, J. Tierney, ...
. Peter deMenocal, Just as the earthworks in the deserts of the west grew out of notions of landscape painting, the growth of public art stimulated artists to engage the urban landscape as another environment and also as a platform to engage ideas and concepts about the environment to a larger audience. A scientist at the
Lamont–Doherty Earth Observatory The Lamont-Doherty Earth Observatory (LDEO) is a research, research institution specializing in the Earth science and climate change. Though part of Columbia University, it is located on a separate closed campus in Palisades, New York. The obs ...
at
Columbia University Columbia University in the City of New York, commonly referred to as Columbia University, is a Private university, private Ivy League research university in New York City. Established in 1754 as King's College on the grounds of Trinity Churc ...
, writes that
societal collapse Societal collapse (also known as civilizational collapse or systems collapse) is the fall of a complex human society characterized by the loss of cultural identity and of social complexity as an Complex adaptive system, adaptive system, the downf ...
due to climate change is possible today.


Ecological and geographic impacts on early state formation


Effects of species endowments, climate, and continental axes prior to 1500

In the
Pulitzer Prize The Pulitzer Prizes () are 23 annual awards given by Columbia University in New York City for achievements in the United States in "journalism, arts and letters". They were established in 1917 by the will of Joseph Pulitzer, who had made his fo ...
winning '' Guns, Germs, and Steel'' (1999), author
Jared Diamond Jared Mason Diamond (born September 10, 1937) is an American scientist, historian, and author. In 1985 he received a MacArthur Genius Grant, and he has written hundreds of scientific and popular articles and books. His best known is '' Guns, G ...
points to geography as the answer to why certain states were able to grow and develop faster and stronger than others. His theory cited the natural environment and raw materials a civilization had as factors for success, instead of popular century-old claims of racial and cultural superiority. Diamond says that these natural endowments began with the dawn of man, and favored Eurasian civilizations due to their location along similar latitudes, suitable farming climate, and early animal domestication. Diamond argues that early states located along the same latitude lines were uniquely suited to take advantage of similar climates, making it easier for crops, livestock, and farming techniques to spread. Crops such as
wheat Wheat is a group of wild and crop domestication, domesticated Poaceae, grasses of the genus ''Triticum'' (). They are Agriculture, cultivated for their cereal grains, which are staple foods around the world. Well-known Taxonomy of wheat, whe ...
and
barley Barley (), a member of the grass family, is a major cereal grain grown in temperate climates globally. It was one of the first cultivated grains; it was domesticated in the Fertile Crescent around 9000 BC, giving it nonshattering spikele ...
were simple to grow and easy to harvest, and regions suitable for their cultivation saw high population densities and the growth of early cities. The ability to domesticate herd animals, which had no natural fear of humans, high birth rates, and an innate hierarchy, gave some civilizations the advantages of free labor, fertilizers, and war animals. The east–west orientation of Eurasia allowed for knowledge capital to spread quickly, and writing systems to keep track of advanced farming techniques gave people the ability to store and build upon a knowledge base across generations. Craftsmanship flourished as a surplus of food from farming allowed some groups the freedom to explore and create, which led to the development of
metallurgy Metallurgy is a domain of materials science and engineering that studies the physical and chemical behavior of metallic elements, their inter-metallic compounds, and their mixtures, which are known as alloys. Metallurgy encompasses both the ...
and advances in technology. While the advantageous geography helped to develop early societies, the close proximity in which humans and their animals lived led to the spread of disease across Eurasia. Over several centuries, rampant disease decimated populations, but ultimately led to disease resistant communities. Diamond suggests that these chains of causation led to European and Asian civilizations holding a dominant place in the world today. Diamond uses the Spanish
conquistador Conquistadors (, ) or conquistadores (; ; ) were Spanish Empire, Spanish and Portuguese Empire, Portuguese colonizers who explored, traded with and colonized parts of the Americas, Africa, Oceania and Asia during the Age of Discovery. Sailing ...
s' conquering of the Americas as a case study for his theory. He argues that the Europeans took advantage of their environment to build large and complex states complete with advanced technology and weapons. The Incans and other native groups were not as fortunate, suffering from a north–south orientation that prevented the flow of goods and knowledge across the continent. The Americas also lacked the animals, metals, and complex writing systems of Eurasia which prevented them from achieving the military or biological protections needed to fight off the European threat. Diamond's theory has not gone without criticism. * It was notably attacked for not providing enough detail regarding causation of environmental variables, and for leaving logical gaps in reasoning. Geographer Andrew Sluyter argued that Diamond was just as ignorant as the racists of the 19th century. Sluyter challenged Diamond's theory since it seemed to suggest that environmental conditions lead to gene selection, which then lead to wealth and power for certain civilizations. Sluyter also attacks environmental determinism by condemning it as a highly studied and popular field based entirely on Diamond's "quick and dirty" combination of natural and social sciences. *
Daron Acemoglu Kamer Daron Acemoğlu (;, ; born September 3, 1967) is a Turkish Americans, Turkish-American economist of Armenians in Turkey, Armenian descent who has taught at the Massachusetts Institute of Technology since 1993, where he is currently the Ja ...
and James A. Robinson similarly criticized Diamond's work in their book '' Why Nations Fail''. They contend that the theory is outdated and can not effectively explain differences in economic growth after 1500 or the reasons why states that are geographically close can exhibit vast differences in wealth. They instead favored an institutional approach in which a society's success or failure is based on the underlying strength of its institutions. Writing in response to institutional arguments, Diamond agreed that institutions are an important cause, but argued that their development is often heavily influenced by geography, such as the clear regional pattern in Africa where the northern and southern countries are wealthier than those in the tropical regions.


Geography and pre-colonial African state-building


The effects of climate and land abundance on the development of state systems

In his book '' States and Power in Africa'', political scientist Jeffrey Herbst argues that environmental conditions help explain why, in contrast to other parts of the world such as Europe, many pre-colonial societies in Africa did not develop into dense, settled, hierarchical societies with strong state control that competed with neighboring states for people and territory. Herbst argues that the European state-building experience was highly idiosyncratic because it occurred under systemic geographic pressures that favored wars of conquest – namely, passable
terrain Terrain (), alternatively relief or topographical relief, is the dimension and shape of a given surface of land. In physical geography, terrain is the lay of the land. This is usually expressed in terms of the elevation, slope, and orientati ...
, land
scarcity In economics, scarcity "refers to the basic fact of life that there exists only a finite amount of human and nonhuman resources which the best technical knowledge is capable of using to produce only limited maximum amounts of each economic good. ...
, and high-population densities. Faced with the constant threat of war, political elites sent administrators and armed forces from the urban centers into rural hinterlands to raise taxes, recruit soldiers, and fortify buffer zones. European states consequently developed strong institutions and capital-periphery linkages. By contrast, geographic and climatic factors in pre-colonial Africa made establishing absolute control over particular pieces of land prohibitively costly. For example, because African farmers relied on rain-fed agriculture and consequently invested little in particular pieces of land, they could easily flee rulers rather than fight. Some early African empires, like the
Ashanti Empire The Asante Empire ( Asante Twi: ), also known as the Ashanti Empire, was an Akan state that lasted from 1701 to 1901, in what is now modern-day Ghana. It expanded from the Ashanti Region to include most of Ghana and also parts of Ivory Coast ...
, successfully projected power over large distances by building roads. The largest pre-colonial polities arose in the Sudanian Savanna belt of West Africa because the horses and camels could transport armies over the terrain. In other areas, no centralized political organizations existed above the village level. African states did not develop more responsive institutions under
colonial rule Colonialism is the control of another territory, natural resources and people by a foreign group. Colonizers control the political and tribal power of the colonised territory. While frequently an imperialist project, colonialism can also take ...
or post-independence. Colonial powers had little incentive to develop state institutions to protect their colonies against invasion, having divided up Africa at the Berlin Conference. The colonizers instead focused on exploiting natural resources and exploitation colonialism.


The effect of disease environments

Dr. Marcella Alsan argues the prevalence of the
tsetse fly Tsetse ( , or ) (sometimes spelled tzetze; also known as tik-tik flies) are large, biting flies that inhabit much of tropical Africa. Tsetse flies include all the species in the genus ''Glossina'', which are placed in their own family, Gloss ...
hampered early state formation in
Africa Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surfac ...
. Because the tsetse virus was lethal to cows and horses, communities afflicted by the insect could not rely on the agricultural benefits provided by
livestock Livestock are the Domestication, domesticated animals that are raised in an Agriculture, agricultural setting to provide labour and produce diversified products for consumption such as meat, Egg as food, eggs, milk, fur, leather, and wool. The t ...
. African communities were prevented from stockpiling agricultural surplus, working the land, or eating meat. Because the disease environment hindered the formation of farming communities, early African societies resembled small
hunter-gatherer A hunter-gatherer or forager is a human living in a community, or according to an ancestrally derived Lifestyle, lifestyle, in which most or all food is obtained by foraging, that is, by gathering food from local naturally occurring sources, esp ...
groups and not centralized states. The relative availability of livestock animals enabled European societies to form centralized institutions, develop advanced technologies, and create an agricultural network. They could rely on their livestock to reduce the need for manual labor. Livestock also diminished the
comparative advantage Comparative advantage in an economic model is the advantage over others in producing a particular Goods (economics), good. A good can be produced at a lower relative opportunity cost or autarky price, i.e. at a lower relative marginal cost prior t ...
of owning
slaves Slavery is the ownership of a person as property, especially in regards to their labour. Slavery typically involves compulsory work, with the slave's location of work and residence dictated by the party that holds them in bondage. Enslavemen ...
. African societies relied on the use of rival tribesman as slave labor where the fly was prevalent, which impeded long-term societal cooperation. Alsan argues that her findings support the view of Kenneth Sokoloff and Stanley Engerman that factor endowments shape state institutions.


Llamas, chuño and the Inca Empire

Carl Troll has argued that the development of the Inca state in the central
Andes The Andes ( ), Andes Mountains or Andean Mountain Range (; ) are the List of longest mountain chains on Earth, longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range ...
was aided by conditions that allow for the elaboration of the
staple food A staple food, food staple, or simply staple, is a food that is eaten often and in such quantities that it constitutes a dominant portion of a standard diet for an individual or a population group, supplying a large fraction of energy needs an ...
chuño. Chuño, which can be stored for long times, is made of
potato The potato () is a starchy tuberous vegetable native to the Americas that is consumed as a staple food in many parts of the world. Potatoes are underground stem tubers of the plant ''Solanum tuberosum'', a perennial in the nightshade famil ...
dried at
freezing Freezing is a phase transition in which a liquid turns into a solid when its temperature is lowered below its freezing point. For most substances, the melting and freezing points are the same temperature; however, certain substances possess dif ...
temperatures that are common at nighttime in the southern
Peru Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the south and west by the Pac ...
vian highlands. Contradicting the link between the Inca state and dried potato is that other crops such as
maize Maize (; ''Zea mays''), also known as corn in North American English, is a tall stout grass that produces cereal grain. It was domesticated by indigenous peoples in southern Mexico about 9,000 years ago from wild teosinte. Native American ...
can also be preserved with only sun. Troll also argued that
llama The llama (; or ) (''Lama glama'') is a domesticated South American camelid, widely used as a List of meat animals, meat and pack animal by Inca empire, Andean cultures since the pre-Columbian era. Llamas are social animals and live with ...
s, the Incas'
pack animal A pack animal, also known as a sumpter animal or beast of burden, is a working animal used to transport goods or materials by carrying them, usually on its back. Domestic animals of many species are used in this way, among them alpacas, Bact ...
, can be found in their largest numbers in this very same region. It is worth considering that the maximum extent of the Inca Empire coincided with the greatest distribution of
alpaca The alpaca (''Lama pacos'') is a species of South American camelid mammal. Traditionally, alpacas were kept in herds that grazed on the level heights of the Andes of Southern Peru, Western Bolivia, Ecuador, and Northern Chile. More recentl ...
s and llamas. As a third point Troll pointed out
irrigation Irrigation (also referred to as watering of plants) is the practice of applying controlled amounts of water to land to help grow crops, landscape plants, and lawns. Irrigation has been a key aspect of agriculture for over 5,000 years and has bee ...
technology as advantageous to the Inca state-building. While Troll theorized environmental influences on the Inca Empire, he opposed environmental determinism, arguing that culture lay at the core of the Inca civilization.


Effects of geography on political regimes

Numerous scholars have argued that geographic and environmental factors affect the types of
political regime In politics, a regime (also spelled régime) is a system of government that determines access to public office, and the extent of power held by officials. The two broad categories of regimes are democracy, democratic and Autocracy, autocratic. A ...
that societies develop, and shape paths towards
democracy Democracy (from , ''dēmos'' 'people' and ''kratos'' 'rule') is a form of government in which political power is vested in the people or the population of a state. Under a minimalist definition of democracy, rulers are elected through competitiv ...
versus
dictatorship A dictatorship is an autocratic form of government which is characterized by a leader, or a group of leaders, who hold governmental powers with few to no Limited government, limitations. Politics in a dictatorship are controlled by a dictator, ...
.


The disease environment

Daron Acemoglu Kamer Daron Acemoğlu (;, ; born September 3, 1967) is a Turkish Americans, Turkish-American economist of Armenians in Turkey, Armenian descent who has taught at the Massachusetts Institute of Technology since 1993, where he is currently the Ja ...
, Simon Johnson, and James A. Robinson have achieved notoriety for demonstrating that diseases and terrain have helped shape tendencies towards democracy versus dictatorship, and through these economic growth and development. In their book '' Why Nations Fail'', as well as a paper titled ''The Colonial Origins of Comparative Development: An Empirical Investigation'', the authors show that the colonial disease environment shaped the tendency for Europeans to settle the territory or not, and whether they developed systems of agriculture and labor markets that were free and egalitarian versus exploitative and unequal. These choices of political and economic institutions, they argue, shaped tendencies to democracy or dictatorship over the following centuries.


Factor endowments

In order to understand the impact and creation of institutions during early state formation, economic historians Stanley Engerman and Kenneth Sokoloff examined the economic development of the Americas during colonization. They found that the beginnings of the success or failure of American colonies were based on the specific factor endowments available to each colony. These endowments included the climate, soil profitability, crop potential, and even native population density. Institutions formed to take advantage of these factor endowments. Those that were most successful developed an ability to change and adapt to new circumstances over time. For example, the development of economic institutions, such as
plantation Plantations are farms specializing in cash crops, usually mainly planting a single crop, with perhaps ancillary areas for vegetables for eating and so on. Plantations, centered on a plantation house, grow crops including cotton, cannabis, tob ...
s, was caused by the need for a large property and labor force to harvest sugar and tobacco, while
smallholder A smallholding or smallholder is a small farm operating under a small-scale agriculture model. Definitions vary widely for what constitutes a smallholder or small-scale farm, including factors such as size, food production technique or technolo ...
farms thrived in areas where scale economies were absent. Though initially profitable, plantation colonies also suffered from large dependent populations over time as slaves and natives were given few rights, limiting the population available to drive future economic progress and technological development. Factor endowments also influenced political institutions. This is demonstrated by the plantation owning elite using their power to secure long lasting government institutions and pass legislation that leads to the persistence of inequality in society. Engerman and Sokoloff found smallholder economies to be more equitable since they discouraged an elite class from forming, and distributed political power democratically to most land-owning males. These differences in political institutions were also highly influential in the development of schools, as more equitable societies demanded an educated population to make political decisions. Over time these institutional advantages had exponential effects, as colonies with educated and free populations were better suited to take advantage of technological change during the industrial revolution, granting country wide participation into the booming free-market economy. Engerman and Sokoloff conclude that while institutions heavily influenced the success of each colony, no individual type of institution is the source of economic and state growth. Other variables such as factor endowments, technologies, and the creation of property rights are just as crucial in societal development. To encourage state success an institution must be adaptable and suited to find the most economical source of growth. The authors also argue that while not the only means for success, institutional development has long lasting-economic and social effects on the state. Other prominent scholars contest the extent to which factor endowments determine economic and political institutions. American economists William Easterly and Ross Levine argue that economic development does not solely depend on geographic endowments—like temperate climates, disease-resistant climates, or soil favorable to cash crops. They stress that there is no evidence that geographic endowments influence country incomes other than through institutions. They observe that states like
Burundi Burundi, officially the Republic of Burundi, is a landlocked country in East Africa. It is located in the Great Rift Valley at the junction between the African Great Lakes region and Southeast Africa, with a population of over 14 million peop ...
are poor—despite favorable environmental conditions like abundant rainfall and fertile soil—because of the damage wrought by colonialism. Other states like
Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
with fewer endowments are more stable and have higher per capita incomes. Easterly and Levine further observe that studies of how the environment directly influences land and labor were tarred by racist theories of underdevelopment, but that does not mean that such theories can be automatically discredited. They argue that Diamond correctly stresses the importance of germs and crops in the very long-run of societal technological development. They find that regression results support the findings of
Jared Diamond Jared Mason Diamond (born September 10, 1937) is an American scientist, historian, and author. In 1985 he received a MacArthur Genius Grant, and he has written hundreds of scientific and popular articles and books. His best known is '' Guns, G ...
and David Landes that factor endowments influence GDP per capita. However, Easterly and Levine's findings most support the view that long-lasting institutions most shape economic development outcomes. Relevant institutions include private property rights and the rule of law. Jeffrey B. Nugent and James A. Robinson similarly challenge scholars like Barrington Moore who hold that certain factor endowments and
agricultural Agriculture encompasses crop and livestock production, aquaculture, and forestry for food and non-food products. Agriculture was a key factor in the rise of sedentary human civilization, whereby farming of domesticated species created f ...
preconditions necessarily lead to particular political and economic organizations. Nugent and Robinson show that coffee economies in
South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...
pursued radically different paths of political and economic development during the nineteenth century. Some coffee states, like
Costa Rica Costa Rica, officially the Republic of Costa Rica, is a country in Central America. It borders Nicaragua to the north, the Caribbean Sea to the northeast, Panama to the southeast, and the Pacific Ocean to the southwest, as well as Maritime bo ...
and
Colombia Colombia, officially the Republic of Colombia, is a country primarily located in South America with Insular region of Colombia, insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuel ...
, passed laws like the Homestead Act of 1862. They favored smallholders, held elections, maintained small militaries, and fought fewer wars. Smallholder arrangements prompted widespread government investment in education. Other states like
El Salvador El Salvador, officially the Republic of El Salvador, is a country in Central America. It is bordered on the northeast by Honduras, on the northwest by Guatemala, and on the south by the Pacific Ocean. El Salvador's capital and largest city is S ...
and
Guatemala Guatemala, officially the Republic of Guatemala, is a country in Central America. It is bordered to the north and west by Mexico, to the northeast by Belize, to the east by Honduras, and to the southeast by El Salvador. It is hydrologically b ...
produced coffee on plantations, where individuals were more disenfranchised. Whether a state became a smallholder or plantation state depended not on factor endowments but on norms established under
colonialism Colonialism is the control of another territory, natural resources and people by a foreign group. Colonizers control the political and tribal power of the colonised territory. While frequently an Imperialism, imperialist project, colonialism c ...
—namely, legal statutes determining access to land, the background of the governing elites, and the degree of permitted political competition. Nugent and Robinson thereby conclude that factor endowments alone do not determine economic or political institutions.


Direct effects of geography on economic development


Effects of terrain on trade and productivity

Historians have also noted population densities seem to concentrate on coastlines and that states with large coasts benefit from higher average incomes compared to those in landlocked countries. Coastal living has proven advantageous for centuries as civilizations relied on the coastline and waterways for trade, irrigation, and as a food source. Conversely, countries without coastlines or navigable waterways are often less urbanized and have less growth potential due to the slow movement of knowledge capital, technological advances, and people. They also have to rely on costly and time-consuming over-land trade, which usually results in lack of access to regional and international markets, further hindering growth. Additionally, interior locations tend to have both lower population densities and labor-productivity levels. However, factors including fertile soil, nearby rivers, and ecological systems suited for rice or wheat cultivation can give way to dense inland populations. Nathan Nunn and Diego Puga note that though rugged terrain usually makes farming difficult, prevents travel, and limits societal growth, early African states used harsh terrain to their advantage. The authors used a terrain ruggedness index to quantify topographic heterogeneity across several regions of Africa, while simultaneously controlling for variables such as diamond availability and soil fertility. The results suggest that historically, ruggedness is strongly correlated with decreased income levels across the globe and has negatively impacted state growth over time. They note that harsh terrain limited the flow of trade goods and decreased crop availability, while isolating communities from developing knowledge capital. However, the study also demonstrated that the terrain had positive effects on some African communities by protecting them from the slave trade. Communities that were located in areas with rugged features could successfully hide from slave traders and protect their homes from being destroyed. The study found that in these areas rugged topography produced long-term economic benefits and aided post-colonial state formation.


Effects of climate on productivity

The impact that climate and water navigability have on economic growth and GDP per capita was studied by notable scholars including
Paul Krugman Paul Robin Krugman ( ; born February 28, 1953) is an American New Keynesian economics, New Keynesian economist who is the Distinguished Professor of Economics at the CUNY Graduate Center, Graduate Center of the City University of New York. He ...
,
Jared Diamond Jared Mason Diamond (born September 10, 1937) is an American scientist, historian, and author. In 1985 he received a MacArthur Genius Grant, and he has written hundreds of scientific and popular articles and books. His best known is '' Guns, G ...
, and Jeffrey Sachs. By using variables to measure environmental determinism, such as climate, land composition, latitude, and the presence of infectious disease, they account for trends in worldwide economic development on local, regional and global scales. To do so, they measure economic growth with GDP per capita adjusted to purchasing power parity (PPP), while also taking into consideration population density and labor productivity. Economic historians have found that societies in the
Northern Hemisphere The Northern Hemisphere is the half of Earth that is north of the equator. For other planets in the Solar System, north is defined by humans as being in the same celestial sphere, celestial hemisphere relative to the invariable plane of the Solar ...
experience higher standards of living, and that as latitude increases north or south from the equator, levels of real GDP per capita also increases. Climate is closely correlated with agricultural production since without ideal weather conditions, agriculture alone will not produce the surplus supply needed to build and maintain economies. Locations with hot tropical climates often suffer underdevelopment due to low fertility of soils, excessive plant transpiration, ecological conditions favoring infectious diseases, and unreliable water supply. These factors can cause tropical zones to suffer a 30% to 50% decrease in productivity relative to temperate climate zones. Tropical infectious diseases that thrive in hot and moist equatorial climates cause thousands of deaths each year. They are also an economic drain on society due to high medical costs, and the unwillingness of foreign capital to invest in a sickly state. Because infectious diseases like malaria often need a warm ecology for growth, states in the mid to high latitudes are naturally protected from the devastating effects of those diseases.


Climatic determinism and colonization

Climatic determinism, otherwise referred to as the ''equatorial paradox,'' is an aspect of
economic geography Economic geography is the subfield of human geography that studies economic activity and factors affecting it. It can also be considered a subfield or method in economics. Economic geography takes a variety of approaches to many different topi ...
. According to this theory, about 70% of a country's
economic development In economics, economic development (or economic and social development) is the process by which the economic well-being and quality of life of a nation, region, local community, or an individual are improved according to targeted goals and object ...
can be predicted by the distance between that country and the
equator The equator is the circle of latitude that divides Earth into the Northern Hemisphere, Northern and Southern Hemisphere, Southern Hemispheres of Earth, hemispheres. It is an imaginary line located at 0 degrees latitude, about in circumferen ...
, and that the further from the equator a country is located, the more developed it tends to be. The theory is the central argument of Philip M. Parker's '' Physioeconomics: The Basis for Long-Run Economic Growth'', in which he argues that since humans originated as tropical mammals, those who relocated to colder climates attempt to restore their physiological homeostasis through wealth-creation. This act includes producing more food, better housing, heating, warm clothes, etc. Conversely, humans that remained in warmer climates are more physiologically comfortable simply due to temperature, and so have less incentive to work to increase their comfort levels. Therefore, according to Parker GDP is a direct product of the natural compensation of humans to their climate. Political geographers have used climatic determinism ideology to attempt to predict and rationalize the history of civilization, as well as to explain existing or perceived social and cultural divides between peoples. Some argue that one of the first attempts geographers made to define the development of human geography across the globe was to relate a country's climate to human development. Using this ideology, many geographers believed they were able "to explain and predict the progress of human societies". This led to warmer climate zones being "seen as producing less civilized, more degenerate peoples, in need of salvation by western colonial powers." Ellsworth Huntington also travelled continental Europe in hopes of better understanding the connection between climate and state success, publishing his findings in ''The Pulse of Asia'', and further elaborating in ''Civilization and Climate''. Like the political geographers, a crucial component of his work was the belief that the climate of North-western Europe was ideal, with areas further north being too cold, and areas further south being too hot, resulting in lazy, laid-back populations. These ideas were powerful connections to
colonialism Colonialism is the control of another territory, natural resources and people by a foreign group. Colonizers control the political and tribal power of the colonised territory. While frequently an Imperialism, imperialist project, colonialism c ...
, and may have played a role in the creation of the ' other' and the literature that many used to justify taking advantage of less advanced nations. Huntington also argued that climate can lead to the demise of even advanced civilizations through drought, food insecurity, and damages to economic production.


See also

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References

{{Geography topics Determinism Human geography Economic geography Cultural economics Cultural geography Cross-cultural psychology Sociological theories Philosophy of history