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The Inter-American Treaty of Reciprocal Assistance (commonly known as the Rio Treaty, the Rio Pact, the Treaty of Reciprocal Assistance, or by the Spanish-language acronym TIAR from ''Tratado Interamericano de Asistencia Recíproca'') is an agreement signed in 1947 in Rio de Janeiro among many countries of the
Americas The Americas, which are sometimes collectively called America, are a landmass comprising the totality of North and South America. The Americas make up most of the land in Earth's Western Hemisphere and comprise the New World. Along with t ...
. The central principle contained in its articles is that an attack against one is to be considered an attack against them all; this was known as the "hemispheric defense" doctrine. Despite this, several members have breached the treaty on multiple occasions. The treaty was initially created in 1947 and came into force in 1948, in accordance with Article 22 of the treaty.
The Bahamas The Bahamas (), officially the Commonwealth of The Bahamas, is an island country within the Lucayan Archipelago of the West Indies in the North Atlantic. It takes up 97% of the Lucayan Archipelago's land area and is home to 88% of the archi ...
was the most recent country to sign and ratify it in 1982.


Background

The United States maintained a hemispheric defense policy relative to European influence under the
Monroe Doctrine The Monroe Doctrine was a United States foreign policy position that opposed European colonialism in the Western Hemisphere. It held that any intervention in the political affairs of the Americas by foreign powers was a potentially hostile act ...
since 1823, which became increasingly interventionist with the
Roosevelt Corollary In the history of United States foreign policy, the Roosevelt Corollary was an addition to the Monroe Doctrine articulated by President Theodore Roosevelt in his State of the Union address in 1904 after the Venezuelan crisis of 1902–1903. T ...
in 1904. During the 1930s the United States had been alarmed by
Axis An axis (plural ''axes'') is an imaginary line around which an object rotates or is symmetrical. Axis may also refer to: Mathematics * Axis of rotation: see rotation around a fixed axis *Axis (mathematics), a designator for a Cartesian-coordinate ...
overtures toward military cooperation with Latin American governments; apparent strategic threats against the Panama Canal were of particular concern. These were discussed in a series of meetings of the
International Conference of American States The Conferences of American States, commonly referred to as the Pan-American Conferences, were meetings of the Pan-American Union, an international organization for cooperation on trade. James G. Blaine, a United States politician, Secretary ...
and the 1936 Inter-American Conference for the Maintenance of Peace.Act of Chapultepec
The Oxford Companion to World War II, 2001, I. C. B. Dear and M. R. D. Foot
During the war, Washington had been able to secure Allied support from all individual governments except Uruguay, which remained neutral, and
Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...
, whose government was not recognized by the Allied powers. Some countries had signed the
Declaration by United Nations The Declaration by United Nations was the main treaty that formalized the Allies of World War II and was signed by 47 national governments between 1942 and 1945. On 1 January 1942, during the Arcadia Conference, the Allied "Four Policemen, Big Fo ...
in early 1942 and more had signed by the end of 1945. However, Latin American countries were largely sidelined from the Allied discussions of a postwar security order, held at Dumbarton Oaks. The Brazilian Ambassador Carlos Martins "protested the violation of inter-American norms of consultation in the preparation of postwar plans." These protests led to a series of consultations as well as the Mexican proposal for an inter-American meeting. At the Inter-American Conference on the Problems of War and Peace, in Mexico City during February and March 1945, discussions of the post-war world order were held and produced the Act of Chapultepec. The Act included a framework for the negotiation of a regional security treaty. It also shaped Latin American pressure during the United Nations conference in San Francisco for clauses in the UN Charter to facilitate regional collective defense, under Article 51. Initially, the security conference was due to be held in Rio de Janeiro in late 1945 or early 1946; however, disputes between the United States and Argentina's
Juan Domingo Perón ''Juan'' is a given name, the Spanish and Manx versions of ''John''. It is very common in Spain and in other Spanish-speaking communities around the world and in the Philippines, and also (pronounced differently) in the Isle of Man. In Spanis ...
led to delays. The United States and some Latin American concern about ''
peronismo Peronism, also called justicialism,. The Justicialist Party is the main Peronist party in Argentina, it derives its name from the concept of social justice., name=, group= is an Argentine political movement based on the ideas and legacy of Ar ...
'' raised the possibility of including collective intervention to preserve democracy in the security conference. During the delay, global tensions between the United States and Soviet Union grew. In light of the developing Cold War and following the statement of the Truman Doctrine, the United States wished to make those new anti-communist commitments permanent, as did many anti-communist leaders in Latin America.


History


Signing

The Inter-American Treaty of Reciprocal Assistance was the first of many so-called "mutual security agreements", and the formalization of the Act of Chapultepec. The treaty was adopted by the original signatories on 2 September 1947 in Rio de Janeiro (hence the colloquial name "Rio Treaty"). It came into force on 3 December 1948 and was registered with the
United Nations The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and security, develop friendly relations among nations, achieve international cooperation, and be a centre for harmonizi ...
on 20 December 1948. With the exceptions of Trinidad and Tobago (1967) and
the Bahamas The Bahamas (), officially the Commonwealth of The Bahamas, is an island country within the Lucayan Archipelago of the West Indies in the North Atlantic. It takes up 97% of the Lucayan Archipelago's land area and is home to 88% of the archi ...
(1982), no countries that became independent after 1947 have joined the treaty; Canada is yet to become a member, though it already has separate defense commitments with the United States.


Cold War

Though the Cold War overtones of the Rio Treaty became increasingly evident, during the immediate post-war years, Long argues that it was more closely tied to pre-WWII regional antecedents and, even, Latin American diplomatic pressure. Long states, "Despite many Latin American concerns about the United States’ ultimately interventionist nature, Latin American diplomats cited the Monroe Doctrine and United States-led Pan-Americanism in support of a grand bargain that would extend and institutionalize U.S. engagement while restricting unilateralism." However, the United States' often considered adherence to the Treaty's principles of nonintervention as secondary to its Cold War concerns.


Decline

As revolutionary and nationalist governments spread through Latin America through the 1950s and 1960s, the fear of a shared enemy that was experienced during WWII dissipated and the idea of defensive cooperation became strained. According to Slater, many Latin American governments participating in the Treaty sought "to insulate the hemisphere from rather than involve it in world conflict", though the United States pushed the smaller countries towards confrontation with its ideological adversaries. Latin American governments then began to view inter-American collaboration as bending to the will of the United States, forfeiting their sovereignty. Though the action of the United States during the 1954 Guatemalan coup d'état and the 1961
Bay of Pigs Invasion The Bay of Pigs Invasion (, sometimes called ''Invasión de Playa Girón'' or ''Batalla de Playa Girón'' after the Playa Girón) was a failed military landing operation on the southwestern coast of Cuba in 1961 by Cuban exiles, covertly f ...
raised questions among Latin American governments, the unilateral approach of the United States invading the Dominican Republic in 1965 during the Dominican Civil War before the OAS's Inter-American Peace Force was organized, proved to members that the United States did not respect the ideals of multilateralism. Conversely during the Falklands War in 1982, the United States favored the United Kingdom arguing that Argentina had been the aggressor and because Argentina had not been attacked, as did Chile and Colombia. This was seen by most Latin American countries as the final failure of the treaty. In September 2002, citing the Falklands example and anticipating the invasion of Iraq, Mexico formally withdrew from the treaty; after the requisite two years, Mexico ceased to be a signatory in September 2004. In 2008, the
Union of South American Nations The Union of South American Nations (USAN; es, links=no, Unión de Naciones Suramericanas, UNASUR; pt, links=no, União de Nações Sul-Americanas, UNASUL; nl, links=no, Unie van Zuid-Amerikaanse Naties, UZAN; French: ''Union des nations s ...
(UNASUR) created a new regional security council manage their own defensive objectives. On 5 June 2012,
Bolivarian Alliance for the Americas ''Alba'' ( , ) is the Scottish Gaelic name for Scotland. It is also, in English language historiography, used to refer to the polity of Picts and Scots united in the ninth century as the Kingdom of Alba, until it developed into the Kingdom ...
(ALBA) countries
Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (red, yellow, and green from top to bottom) with the coat of arms of Bolivia in the center , flag_alt2 = 7 × 7 square p ...
, Ecuador, Nicaragua, and Venezuela, under the leadership of leftist governments, initiated the retirement from the TIAR, a decision which the Obama administration described as "unfortunate" but respected. The treaty was officially denounced by Nicaragua on 20 September 2012, Bolivia on 17 October 2012, Venezuela on 14 May 2013, and Ecuador on 19 February 2014.


Invocations and considerations

The treaty was invoked numerous times during the 1950s and 1960s, in particular the unanimous support of the United States' naval blockade during the
Cuban Missile Crisis The Cuban Missile Crisis, also known as the October Crisis (of 1962) ( es, Crisis de Octubre) in Cuba, the Caribbean Crisis () in Russia, or the Missile Scare, was a 35-day (16 October – 20 November 1962) confrontation between the United ...
. In 2001, the United States invoked the Rio Treaty after the September 11 attacks. In 2019 during a presidential crisis in Venezuela between incumbent President Nicolás Maduro and president of the opposition-led
National Assembly of Venezuela The National Assembly ( es, Asamblea Nacional) is the legislature for Venezuela that was first elected in 2000. It is a unicameral body made up of a variable number of members, who were elected by a "universal, direct, personal, and secret" vo ...
Juan Guaidó Juan Gerardo Guaidó Márquez (born 28 July 1983) is a Venezuelan politician, a former member of the Social democracy, social-democratic Popular Will party, and federal deputy to the National Assembly (Venezuela), National Assembly representing ...
, the latter opened talks on rejoining TIAR. On 11 May, Guaidó sent a letter to Organization of American States (OAS) secretary
Luis Almagro Luis Leonardo Almagro Lemes (; born June 1, 1963) is a Uruguayan lawyer, diplomat, and politician who currently serves as the 10th Secretary General of the Organization of American States (OAS). He also served as Minister of Foreign Affairs betw ...
requesting that Venezuela be reinstated. On 29 May 2019, the National Assembly approved its return to the Treaty in a preliminary discussion. The National Assembly reiterated its approval to return to the treaty in July 2019.


Members

Current members:


See also

*
Collective Security Treaty Organization The Collective Security Treaty Organization (CSTO) is an intergovernmental military alliance in Eurasia consisting of six post-Soviet states: Armenia, Belarus, Kazakhstan, Kyrgyzstan, Russia, and Tajikistan. The Collective Security Treat ...
* Inter-American Peace Force *
North Atlantic Treaty Organization The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two Nor ...
* Military alliance * SICOFAA *
Mutual Defense Assistance Act The Mutual Defense Assistance Act was a United States Act of Congress signed by President Harry S. Truman on 6 October 1949. For US Foreign policy, it was the first U.S. military foreign aid legislation of the Cold War era, and initially to Euro ...
* Mutual Security Act * Latin America–United States relations *
Inter-American Conference on Problems of War and Peace The Inter-American Conference on Problems of War and Peace informally known as the Chapultepec Conference, was held in Chapultepec Castle in Mexico City on February 21 to March 8, 1945, between the United States and 19 Latin American countries. Arg ...
of 1945


Footnotes


Further reading

* Long, T. (2020). " Historical Antecedents and Post-World War II Regionalism in the Americas." ''World Politics''.


References

{{DEFAULTSORT:Inter-American Treaty Of Reciprocal Assistance 20th-century military alliances 21st-century military alliances Cold War organizations Cold War alliances and military strategy Anti-communism Anti-communist organizations 1947 in Brazil 20th century in Rio de Janeiro September 1947 events in North America Cuba–United States relations United States–South American relations Cold War treaties Treaties concluded in 1947 Treaties entered into force in 1948 Organization of American States treaties Treaties of Argentina Treaties of the Bahamas Treaties of the Second Brazilian Republic Treaties of Chile Treaties of Colombia Treaties of Costa Rica Treaties of Cuba Treaties of El Salvador Treaties of Guatemala Treaties of Haiti Treaties of Honduras Treaties of Panama Treaties of Paraguay Treaties of Peru Treaties of Trinidad and Tobago Treaties of the United States Treaties of Uruguay Treaties of the Dominican Republic International organizations based in the Americas September 1947 events in South America