Isidro Leyva Leyva
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Isidro Leyva Leyva
Isidro Leyva Leyva (born 1952/1953) is a Mexican trade unionist and politician. He served in the LI Legislature of the Congress of Sonora from 1985 to 1988 as a member of the now-defunct Workers' Revolutionary Party (PRT). He was later the director of the National Cattle Producers' Union from 2005 to 2021. Career A native of Huásabas, Sonora, Leyva studied law at the Universidad de Sonora (Unison) and began his political activism as a student protester in the 1970s. He joined the Workers' Revolutionary Party (PRT) – a Trotskyist party with origins in the 1968 student protests – and got heavily involved in Sonoran farmers' and peasants' movements. Leyva was also allegedly a member of the Liga Comunista 23 de Septiembre, and as such, was arrested by the Federal Judicial Police in August 1977 and tortured before his release. He earned his law degree from Unison in 1982. Leyva went on a ten-day tour of the Southwestern United States in the weeks leading up to the 1982 Mexic ...
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Congress Of Sonora
The Honorable Congress of the State of Sonora () is the legislative branch of the government of the Mexican state of Sonora. The Congress is the governmental deliberative body of Sonora, which is equal to, and independent of, the executive. The Congress is unicameral and consists of 33 deputies. 21 deputies are elected on a first-past-the-post basis, one for each district in which the entity is divided, while 12 are elected through a system of proportional representation. Deputies are elected to serve for a three-year term. Since its installation the congress has been renewed 63 times, hence the current session of the Congress of Sonora (whose term lasts from 2021 to 2024) is known as the LXIII Legislature. Electoral districts of Sonora Legislatures of Sonora Composition The LXIII Legislature of the Congress of Sonora consists of 33 deputies. History Since 1917 the Congress has been composed as follows: *From 1917 to 1931 it was composed of 15 deputies. *From ...
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New Mexico
New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also borders the state of Texas to the east and southeast, Oklahoma to the northeast, and shares Mexico-United States border, an international border with the Mexican states of Chihuahua (state), Chihuahua and Sonora to the south. New Mexico's largest city is Albuquerque, and its List of capitals in the United States, state capital is Santa Fe, New Mexico, Santa Fe, the oldest state capital in the U.S., founded in 1610 as the government seat of Santa Fe de Nuevo México, Nuevo México in New Spain. It also has the highest elevation of any state capital, at . New Mexico is the List of U.S. states and territories by area, fifth-largest of the fifty states by area, but with just over 2.1 million residents, ranks List of U.S. states and terri ...
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Ranching
A ranch (from /Mexican Spanish) is an area of land, including various structures, given primarily to ranching, the practice of raising grazing livestock such as cattle and sheep. It is a subtype of farm. These terms are most often applied to livestock-raising operations in Mexico, the Western United States and Western Canada, though there are ranches in other areas.For terminologies in Australia and New Zealand, see Station (Australian agriculture) and Station (New Zealand agriculture). People who own or operate a ranch are called ranchers, cattlemen, or stockgrowers. Ranching is also a method used to raise less common livestock such as horses, elk, American bison, ostrich, emu, and alpaca.Holechek, J.L., Geli, H.M., Cibils, A.F. and Sawalhah, M.N., 2020. Climate Change, Rangelands, and Sustainability of Ranching in the Western United States. ''Sustainability'', ''12''(12), p.4942. Ranches generally consist of large areas, but may be of nearly any size. In the western United S ...
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Labor Party (Mexico)
The Labor Party ( , PT; also known as the Workers Party) is a socialist political party in Mexico. It was founded on 8 December 1990. The party is currently led by Alberto Anaya. Following the 2018 election, the PT became the third-largest political party in the Chamber of Deputies with 61 deputies, after Morena with 191 and the PAN with 81. Political maneuvering briefly established the PRI as the third-largest party in August 2020, although it later turned out that the PT and the PRI were tied with 46 seats each after doubtful PRD deputy defections in favor of the PRI. It received 6.46% of the total votes cast in the 2024 presidential election, becoming the sixth national political force. It has 49 deputies and 6 senators in the LXVI legislature of the Congress of the Union. History Foundation Initial History Following the coordination of several social groups, including the Independent Teachers' Movement, the National Union of Agricultural Workers (UNTA), the Natio ...
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Convergence (Mexico)
Citizens' Movement (, MC) is a centre-left political party in Mexico. It was founded in 1999 under the name Convergence for Democracy, which was then shortened to Convergence in 2002 and changed to Citizens' Movement in 2011. Established on 1 August 1999, Convergence for Democracy was founded by civil society activists and former Institutional Revolutionary Party members, advocating for a social market economy and democratic reforms to increase citizen participation in governance. Once the drug war started, the party included demilitarization efforts and drug regulation in its platform. Initially aligning with left-wing coalitions since its inception, disagreements with left-wing parties prompted the party's shift to independence in elections from 2012 onwards. However, it briefly joined an alliance during the 2018 election. Since then, it has heavily focused on sustainability and social issues in its party platform. It is the third political force in the country, receiving 1 ...
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Party Of The Democratic Revolution
The Party of the Democratic Revolution (, , PRD) is a state-level social democracy, social democratic political party in Mexico (previously national, until 2024). The PRD originated from the Democratic Current, a political faction formed in 1986 from the Institutional Revolutionary Party (PRI). The PRD was formed after the contested 1988 Mexican general election, general election in 1988, which the PRD's immediate predecessor, the National Democratic Front (Mexico), National Democratic Front, believed was rigged by the PRI. This sparked a movement away from the PRI's authoritarian rule. As of 2023, the PRD was a member of the Fuerza y Corazón por México (Strength and Heart for Mexico) coalition. Internationally, the PRD was a member of the Progressive Alliance. The members of the party are known colloquially in Mexico as ''Perredistas''. In 2024, the party failed to reach the necessary percentage of votes to keep its registration as a national political party. History Early o ...
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Coalition For The Good Of All
The Coalition for the Good of All () was a left-wing coalition created by the Party of the Democratic Revolution (PRD), Convergence and the Labor Party (PT) to support Andrés Manuel López Obrador as a candidate for the presidency of Mexico in the general election of 2006. The coalition also presented joint candidates for Congressional and local elections. The coalition was approved by the Federal Electoral Institute in December 2005 and on January 4, 2006 the Executive Commission of the alliance was formalized with an estimated budget of 600 million pesos (roughly US$56 million). History The former mayor of Mexico City, Andrés Manuel López Obrador, was the presidential candidate for the Coalition for the Good of All in the 2006 presidential elections. López Obrador ran against Felipe Calderón, PAN candidate, and Roberto Madrazo, PRI candidate. López Obrador's campaign relied on citizen's networks (redes ciudadanas) that focused on mobilizing the public to campaign ...
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Chamber Of Deputies (Mexico)
The Chamber of Deputies ( Spanish: , ) is the lower house of the Congress of the Union, the bicameral parliament of Mexico. The other chamber is the Senate. The structure and responsibilities of both chambers of Congress are defined in Articles 50 to 70 of the Constitution. History A bicameral legislature, including the Chamber of Deputies, was established on 4 October 1824. A unicameral congress existed from 7 September 1857 to 13 November 1874. Elections and qualifications Qualifications Article 55 of the Mexican Constitution establishes the requirements to serve as a deputy. To be eligible, a candidate must: * Be a Mexican citizen by birth with full legal rights. * Be at least 18 years old on election day. * Be a resident of, or have lived in, the state they seek to represent for at least six months prior to the election. * Not be on active military duty or hold a police command within 90 days before the election. * Not be a minister of any religious faith. The ar ...
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2006 Mexican General Election
General elections were held in Mexico on Sunday, 2 July 2006. Voters went to the polls to elect a new President of Mexico, President of the Republic to serve a six-year term, replacing then President Vicente Fox (ineligible for re-election under the Constitution of Mexico, 1917 Constitution); 500 members of the Chamber of Deputies (Mexico), Chamber of Deputies (300 by the First-past-the-post voting, first-past-the-post system and 200 by proportional representation) to serve for three-year terms; and 128 members of the Senate of the Republic (Mexico), Senate (three per List of states of Mexico, state by limited voting and 32 by proportional representation from List of political parties in Mexico, national party lists) to serve for six-year terms. 2006 Mexican elections, Several local ballots were also held on the same day, including the head and legislature of the 2006 Mexican Federal District election, federal district, governors of Guanajuato, Jalisco and Morelos and local counc ...
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1991 Mexican Legislative Election
Legislative elections were held in Mexico on 18 August 1991,Dieter Nohlen (2005) ''Elections in the Americas: A data handbook, Volume I'', p453 alongside gubernatorial elections in six states.Elections held in 1991
Inter-Parliamentary Union
The (PRI) won 320 of the 500 seats in the Chamber of Deputies and 31 of the 32 seats up for election in the Senate. Voter turnout was 61% in the Chamber election and 62% in the Senate election.


Background

Prior to the legislative elections, a historic milestone occurred in 1989 when

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National Autonomous University Of Mexico
The National Autonomous University of Mexico (, UNAM) is a public university, public research university in Mexico. It has several campuses in Mexico City, and many others in various locations across Mexico, as well as a presence in nine countries. It also has 34 research institutes, 26 museums, and 18 historic sites. A portion of (University City), UNAM's main campus in Mexico City, is a UNESCO World Heritage site that was designed and decorated by some of Mexico's best-known architects and painters. The campus hosted the main events of the 1968 Summer Olympics, and was the birthplace of the Mexican Movement of 1968, student movement of 1968. All Mexican Nobel laureates have been alumni of UNAM. In 2009, the university was awarded the Princess of Asturias Awards, Prince of Asturias Award for Communication and Humanities. More than 25% of the total scientific papers published by Mexican academics come from researchers at UNAM. UNAM was founded in its modern form, on 22 Septemb ...
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Proportional Representation
Proportional representation (PR) refers to any electoral system under which subgroups of an electorate are reflected proportionately in the elected body. The concept applies mainly to political divisions (Political party, political parties) among voters. The aim of such systems is that all votes cast contribute to the result so that each representative in an assembly is mandated by a roughly equal number of voters, and therefore all votes have equal weight. Under other election systems, a bare Plurality (voting), plurality or a scant majority in a district are all that are used to elect a member or group of members. PR systems provide balanced representation to different factions, usually defined by parties, reflecting how votes were cast. Where only a choice of parties is allowed, the seats are allocated to parties in proportion to the vote tally or ''vote share'' each party receives. Exact proportionality is never achieved under PR systems, except by chance. The use of elector ...
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