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Thomas Clifton Mann (November 11, 1912 – January 23, 1999) was an American diplomat who specialized in
Latin America Latin America or * french: Amérique Latine, link=no * ht, Amerik Latin, link=no * pt, América Latina, link=no, name=a, sometimes referred to as LatAm is a large cultural region in the Americas where Romance languages — languages derived f ...
n affairs. He entered the
U.S. Department of State The United States Department of State (DOS), or State Department, is an United States federal executive departments, executive department of the Federal government of the United States, U.S. federal government responsible for the country's fore ...
in 1942 and quickly rose through the ranks to become an influential establishment figure. He worked to influence the internal affairs of numerous Latin American nations, typically focusing on economic and political influence rather than direct military intervention. After
Lyndon B. Johnson Lyndon Baines Johnson (; August 27, 1908January 22, 1973), often referred to by his initials LBJ, was an American politician who served as the 36th president of the United States from 1963 to 1969. He had previously served as the 37th vice ...
became President in 1963, Mann received a double appointment and was recognized as the U.S. authority on Latin America. In March 1964, Mann outlined a policy of supporting regime change and promoting the economic interests of U.S. businesses. This policy, which moved away from the political centrism of Kennedy's
Alliance for Progress The Alliance for Progress ( es, Alianza para el Progreso, links=no), initiated by U.S. President John F. Kennedy on March 13, 1961, ostensibly aimed to establish economic cooperation between the U.S. and Latin America. Governor Luis Muñoz Marín ...
, has been called the Mann Doctrine. Mann left the State Department in 1966 and became a spokesperson for the Automobile Manufacturer's Association.


Early life

Born in Laredo, an American city on the border with
Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...
, Mann grew up speaking English and Spanish. His father was a lawyer and a
Southern Baptist The Southern Baptist Convention (SBC) is a Christian denomination based in the United States. It is the world's largest Baptist denomination, and the largest Protestant and second-largest Christian denomination in the United States. The word ...
. He attended
Baylor University Baylor University is a private Baptist Christian research university in Waco, Texas. Baylor was chartered in 1845 by the last Congress of the Republic of Texas. Baylor is the oldest continuously operating university in Texas and one of the fir ...
and
Baylor Law School Baylor Law School is the oldest law school in Texas. Baylor Law School is affiliated with Baylor University and located in Waco, Texas. The school has been accredited by the American Bar Association since 1931 and has been a member of the Associat ...
, both in
Waco Waco ( ) is the county seat of McLennan County, Texas, United States. It is situated along the Brazos River and I-35, halfway between Dallas and Austin. The city had a 2020 population of 138,486, making it the 22nd-most populous city in the st ...
, Texas, where he met his wife, the former Nancy Aynesworth. He graduated from law school in 1934 and took a job at his father's law firm.LaFeber, "From the Good Neighbor to Military Intervention" (1993), p. 168. He held various posts, as a lawyer in Laredo, in 1934 to 1942.


Early career

Mann was rejected from the Navy due to poor vision. He joined the
Diplomatic Service Diplomatic service is the body of diplomats and foreign policy officers maintained by the government of a country to communicate with the governments of other countries. Diplomatic personnel obtains diplomatic immunity when they are accredited to ...
,
United States Department Of State The United States Department of State (DOS), or State Department, is an executive department of the U.S. federal government responsible for the country's foreign policy and relations. Equivalent to the ministry of foreign affairs of other n ...
in 1942, and was deployed to
Montevideo Montevideo () is the Capital city, capital and List of cities in Uruguay, largest city of Uruguay. According to the 2011 census, the city proper has a population of 1,319,108 (about one-third of the country's total population) in an area of . M ...
in Uruguay to investigate Nazi shipping. In 1943, he was promoted to do this job across Latin America. He was involved in creating the 1945 Act of Chapultepec treaty for mutual defense of trans-American nations.


Truman administration

After unsuccessfully coordinating US opposition to
Juan Perón Juan Domingo Perón (, , ; 8 October 1895 – 1 July 1974) was an Argentine Army general and politician. After serving in several government positions, including Minister of Labour and Vice President of a military dictatorship, he was elected P ...
in the 1946 Argentine election, he directed US diplomats in Latin America to avoid supporting particular candidates in elections—lest they suffer due to the perceived association. He commented during the 1950 Guatemalan election:
At election time it is just political suicide to try to defend the United States... I think on the whole people in the other American Republics understand and support us, but it isn't good politics to say so at election time. We are a sort of punching bag during elections. Everybody likes to take a swing at us, and makes sure he does every time you say something.
Mann sought military assistance from Latin American countries during the
Korean War , date = {{Ubl, 25 June 1950 – 27 July 1953 (''de facto'')({{Age in years, months, weeks and days, month1=6, day1=25, year1=1950, month2=7, day2=27, year2=1953), 25 June 1950 – present (''de jure'')({{Age in years, months, weeks a ...
, commenting "that if the Bolivians were complaining about spilling their blood for Yankees, a lot of Yankees were also complaining about American blood already being spilled in Korea for Bolivia and other countries of the hemisphere".LaFeber, "From the Good Neighbor to Military Intervention" (1993), p. 169. Mann believed that nationalism and Communism were related problems, and sought to prevent both as part of efforts to prevent Latin
nationalization Nationalization (nationalisation in British English) is the process of transforming privately-owned assets into public assets by bringing them under the public ownership of a national government or state. Nationalization usually refers to pri ...
of resources. In a surprise to many observers, he agreed to secure US aid for Bolivia following the 1952 Bolivian revolution, partly as a reward for the new government's agreement to compensate US tin companies for nationalized assets.


Eisenhower administration


Policy shift

In 1952, Mann welcomed the incoming Eisenhower administration with a 42-page memo on US relations with Latin America. The memo argued that the main issue for the US in this region was not a Communist invasion, but the problem of US control over "readily accessible essential
strategic material Strategic material is any sort of raw material that is important to an individual's or organization's strategic plan and supply chain management. Lack of supply of strategic materials may leave an organization or government vulnerable to disru ...
s". These included
vanadium Vanadium is a chemical element with the symbol V and atomic number 23. It is a hard, silvery-grey, malleable transition metal. The elemental metal is rarely found in nature, but once isolated artificially, the formation of an oxide layer ( pas ...
as well as crude
petroleum Petroleum, also known as crude oil, or simply oil, is a naturally occurring yellowish-black liquid mixture of mainly hydrocarbons, and is found in geological formations. The name ''petroleum'' covers both naturally occurring unprocessed crud ...
, resources which the US imported mostly from Latin America. Mann advocated swift US intervention to retaliate against nationalizations, as a show of force to deter similar actions by other countries. This memo was a source for NSC 144/1, representing the incoming Eisenhower administration's new policy on Latin America.


Guatemala

In Guatemala, Mann attended the inauguration of President
Jacobo Árbenz Guzmán Jacobo is both a surname and a given name of Spanish origin. Based on the name Jacob. Notable people with the name include: Surname: *Alfredo Jacobo (born 1982), Olympic breaststroke swimmer from Mexico *Cesar Chavez Jacobo, Dominican professional ...
and pronounced him a communist. Although he resisted early overtures by
United Fruit The United Fruit Company (now Chiquita) was an American multinational corporation that traded in tropical fruit (primarily bananas) grown on Latin American plantations and sold in the United States and Europe. The company was formed in 1899 fro ...
representatives to intervene, he opposed Árbenz's land reform law, fearing that Guatemala would provide a test case for other nations. After the CIA-backed military coup in 1954, Mann was recalled from Greece to Guatemala. He established
Norman Armour Norman Armour (October 14, 1887– September 27, 1982) was a career United States diplomat whom ''The New York Times'' once called "the perfect diplomat". In his long career spanning both World Wars, he served as Chief of Mission in eight countri ...
as the US ambassador and sought to bolster the new military government of
Castillo Armas Carlos Castillo Armas (; 4 November 191426 July 1957) was a Guatemalan military officer and politician who was the 28th president of Guatemala, serving from 1954 to 1957 after taking power in a coup d'état. A member of the right-wing Nation ...
. Mann reportedly gained de facto veto power over Guatemalan policy; after Mann had rejected a new oil law, Armas said he would come to "no final decision without consulting with Mr. Mann." Mann later reflected that US operatives in Guatemala had an "illusion of omnipotence", saying in 1975:
We were on the crest of a wave and nobody, literally nobody on the Hill or anywhere else ever questioned our ability to do anything if we wanted to do it ndif we were willing to spend the money and the effort to do it.


Economic aid

In late September 1957 Mann moved to
Washington, D.C. ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, ...
, to become Assistant Secretary of State for Economic Affairs. Trans-American economic problems had created dissatisfaction and threatened to push Latin American countries away from the US. Secretary of State
John Foster Dulles John Foster Dulles (, ; February 25, 1888 – May 24, 1959) was an American diplomat, lawyer, and Republican Party politician. He served as United States Secretary of State under President Dwight D. Eisenhower from 1953 to 1959 and was briefly ...
blamed an "economic war" waged by Moscow. Vice President
Richard Nixon Richard Milhous Nixon (January 9, 1913April 22, 1994) was the 37th president of the United States, serving from 1969 to 1974. A member of the Republican Party, he previously served as a representative and senator from California and was ...
was mobbed by angry protestors in Venezuela and elsewhere. Mann advocated policies of robust economic assistance, establishing the
Inter-American Development Bank The Inter-American Development Bank (IDB or IADB) is an international financial institution headquartered in Washington, D.C., United States of America, and serving as the largest source of development financing for Latin America and the Caribb ...
and promoting low-interest loans financed by the US government. Mann pushed for "a Marshall Plan for Latin America" which would also include private finance. Eisenhower concurred, and appointed Mann as Assistant Secretary of State for Inter-American Affairs in August 1960.


Kennedy administration

President
John F. Kennedy John Fitzgerald Kennedy (May 29, 1917 – November 22, 1963), often referred to by his initials JFK and the nickname Jack, was an American politician who served as the 35th president of the United States from 1961 until his assassination ...
promoted the
Alliance for Progress The Alliance for Progress ( es, Alianza para el Progreso, links=no), initiated by U.S. President John F. Kennedy on March 13, 1961, ostensibly aimed to establish economic cooperation between the U.S. and Latin America. Governor Luis Muñoz Marín ...
, a centrist initiative to support Latin American economies and stave off communism through moderate reform. Mann did not support the
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 fina ...
, which had been planned by the CIA before Kennedy took office. He doubted the possibility of a popular uprising and, with Kennedy, opposed involvement by the US Air Force. He resigned his position at the State Department just weeks before the invasion took place in April 1961.LaFeber, "From the Good Neighbor to Military Intervention" (1993), p. 184. In general, Mann felt that military action against Cuba would be too damaging for the US image. Instead, he supported economic sanctions to create suffering and dissatisfaction among the Cuban poor. Kennedy appointed Mann
United States Ambassador to Mexico The United States has maintained diplomatic relations with Mexico since 1823, when Andrew Jackson was appointed Envoy Extraordinary and Minister Plenipotentiary to that country. Jackson declined the appointment, however, and Joel R. Poinsett beca ...
where he successfully negotiated a settlement of the Chamizal border between the US and Mexican governments, caused by a shift in the
Rio Grande The Rio Grande ( and ), known in Mexico as the Río Bravo del Norte or simply the Río Bravo, is one of the principal rivers (along with the Colorado River) in the southwestern United States and in northern Mexico. The length of the Rio G ...
.


Johnson administration

On December 14, 1963, new President
Lyndon B. Johnson Lyndon Baines Johnson (; August 27, 1908January 22, 1973), often referred to by his initials LBJ, was an American politician who served as the 36th president of the United States from 1963 to 1969. He had previously served as the 37th vice ...
re-appointed Mann Assistant Secretary of State for Inter-American Affairs. On December 21, Johnson also made Mann the head of the
US Agency for International Development The United States Agency for International Development (USAID) is an independent agency of the U.S. federal government that is primarily responsible for administering civilian foreign aid and development assistance. With a budget of over $27 bi ...
(USAID), an organization created by President Kennedy two years earlier. The double-appointment was opposed by the Kennedys and their liberal supporters, including Senator
Hubert Humphrey Hubert Horatio Humphrey Jr. (May 27, 1911 – January 13, 1978) was an American pharmacist and politician who served as the 38th vice president of the United States from 1965 to 1969. He twice served in the United States Senate, representing Mi ...
and advisor
Arthur Schlesinger Jr. Arthur Meier Schlesinger Jr. (; born Arthur Bancroft Schlesinger; October 15, 1917 – February 28, 2007) was an American historian, social critic, and public intellectual. The son of the influential historian Arthur M. Schlesinger Sr. and a spe ...
Schlesinger wrote that Johnson's appointment of Mann constituted "a declaration of independence, even perhaps a declaration of aggression against the Kennedys." Members of the United States corporate establishment, generally felt they had a good relationship with Mann and supported the appointment.


Mann Doctrine

In March 1964, the new Johnson administration held a three-day policy conference for all U.S. diplomats in Latin America. On March 18, Mann gave a secret speech to U.S. officials which laid out the administration's policy for the region. Mann did not discuss the Alliance for Progress. His policy called for non-intervention against dictators if they were friendly to US business interests, but intervention against Communists regardless of their policies. The content of Mann's speech was leaked to the ''New York Times''. His comments were interpreted as prioritizing US economic interests over political reform, and the thrust of this policy became known as the "Mann Doctrine".


Brazil

Later that month, Mann supported the military overthrow of the democratically elected government in Brazil, claiming a victory against Communism. Mann assisted this takeover directly by diverting US aid to Brazil away from the Goulart's central government. US operatives interpreted the March 18 Mann Doctrine as a "green light" for the coup to go forward. After the coup, Mann stated that "the frustration of Communistic objectives in Brazil was the single most important victory for freedom in the hemisphere in recent years".


Chile

In Chile, Mann ordered an intensive and coordinated campaign in favor of Eduardo Frei against
Salvador Allende Salvador Guillermo Allende Gossens (, , ; 26 June 1908 – 11 September 1973) was a Chilean physician and socialist politician who served as the 28th president of Chile from 3 November 1970 until his death on 11 September 1973. He was the fir ...
in the 1964 elections. In a May 1 memo to Secretary of State
Dean Rusk David Dean Rusk (February 9, 1909December 20, 1994) was the United States Secretary of State from 1961 to 1969 under presidents John F. Kennedy and Lyndon B. Johnson, the second-longest serving Secretary of State after Cordell Hull from the F ...
, Mann wrote:
Clearly, the September election will be determined by factors which are deeply rooted in the political, economic, and social fabric of the Chilean scene and by the campaign abilities of the major contenders. Given the consequences, however, if this major Latin American nation should become the first country in the hemisphere to freely choose an avowed Marxist as its elected president, the Department, CIA, and other agencies have embarked on a major campaign to prevent Allende's election and to support Frei, the only candidate who has a chance of beating him.
Mann described a ten-point plan, which included: * threats of economic retaliation against Chile if Allende won; * CIA and
USIA Usia is a village in Kamsaar, Uttar Pradesh, India. It lies southeast of Ghazipur and east of Dildarnagar, close to the Bihar State border.USIA is a historical village of ghazipur as well as uttar pradesh, it was founded by 1. Barbal khan 2. ...
production and dissemination of unattributed propaganda against Allende; * $70 million in emergency loans to prop up the economy and reduce unemployment before the election; and * secret contacts of US government and businesses with Chilean business, military, police, clergy, trade unions, and Masons, for the purpose of opposing Allende. These efforts were successful in 1964 but reversed in 1970.


Bolivia

In Bolivia, when General
René Barrientos Ortuño René (''born again'' or ''reborn'' in French) is a common first name in French-speaking, Spanish-speaking, and German-speaking countries. It derives from the Latin name Renatus. René is the masculine form of the name (Renée being the feminine ...
led a takeover of the popular
Revolutionary Nationalist Movement The Revolutionary Nationalist Movement ( es, Movimiento Nacionalista Revolucionario , MNR) is a centre-right conservative political party in Bolivia and was the leading force behind the Bolivian National Revolution from 1952 to 1964. It influen ...
(MNR) government, which had been in power for twelve years, Mann secured aid for the new military government.


Panama

Mann later served in
Panama Panama ( , ; es, link=no, Panamá ), officially the Republic of Panama ( es, República de Panamá), is a transcontinental country spanning the southern part of North America and the northern part of South America. It is bordered by Cos ...
during a period of intense agitation waged by Panamanians against the
Panama Canal Zone The Panama Canal Zone ( es, Zona del Canal de Panamá), also simply known as the Canal Zone, was an unincorporated territory of the United States, located in the Isthmus of Panama, that existed from 1903 to 1979. It was located within the terr ...
. Mann began some successful negotiations with Panama, but was undercut by Johnson, who did not want to capitulate for political reasons.


Dominican Republic

In the Dominican Republic, Mann labeled democratically elected President Juan Bosch a communist and supported the US invasion in 1965. In April 1965, Mann personally insisted on the production of a cable which would describe danger to American citizens in the Dominican Republic. At the same time, Mann pressured the military government to crack down on insurgents in
Santo Domingo , total_type = Total , population_density_km2 = auto , timezone = AST (UTC −4) , area_code_type = Area codes , area_code = 809, 829, 849 , postal_code_type = Postal codes , postal_code = 10100–10699 (Distrito Nacional) , websi ...
. Mann described the popular rebellion as Communist infiltration enabled by Castro and supported the U.S. invasion as a necessary response.


Promotion and resignation

Mann became the Undersecretary of State for Economic Affairs in 1965. He resigned from the State Department in 1966 and served as President of the Automobile Manufacturer's Association from 1967 through 1971.


Personal life

Mann was a brother of the late Laredo attorney Samuel Edward "Ed" Mann, a 1923 graduate of the
University of Texas Law School The University of Texas School of Law (Texas Law) is the law school of the University of Texas at Austin. Texas Law is consistently ranked as one of the top law schools in the United States and is highly selective—registering the 8th lowest ac ...
and an inductee into the prestigious legal honor society, Crossroads. He died on January 23, 1999, in
Lubbock Lubbock ( ) is the 10th-most populous city in the U.S. state of Texas and the seat of government of Lubbock County. With a population of 260,993 in 2021, the city is also the 85th-most populous in the United States. The city is in the northwe ...
, Texas. Mann Road in Laredo is named for the Mann family. Thomas Mann is interred at Laredo City Cemetery. />


References


Bibliography

* Brockett, Charles D.
An Illusion of Omnipotence: U.S. Policy toward Guatemala, 1954–1960
'. ''Latin American Politics and Society'' 44(1), Spring 2002. * LaFeber, Walter. "Thomas C. Mann and the Devolution of Latin American Policy: From the Good Neighbor to Military Intervention". In ''Behind the Throne: Servants of Power to Imperial Presidents, 1898–1968'', ed. Thomas J. McCormick & Walter LaFeber. University of Wisconsin Press, 1993. * Muller, Edward N. "Dependent Economic Development, Aid Dependence on the United States, and Democratic Breakdown in the Third World". ''International Studies Quarterly'' 29(4), December 1985. Accesse
via JStor
October 10, 2013. * Pérez Jr., Louis A.
Fear and Loathing of Fidel Castro: Sources of US Policy toward Cuba
. ''Journal of Latin American Studies'' 34(2), May 2002. Accessed * Power, Margaret.
The Engendering of Anticommunism and Fear in Chile’s 1964 Presidential Election
. ''Diplomatic History'' 32(5), November 2008. * Walker III, William O. "Mixing the Sweet with the Sour: Kennedy, Johnson, and Latin America". In ''The Diplomacy of the Crucial Decade: American Foreign Relations During the 1960s'', ed Diane B. Kunz. New York: Columbia University Press, 1994.


External links



* * ttps://history.state.gov/departmenthistory/people/mann-thomas-clifton List of official positions State Department Office of the Historian


Newspaper articles

*
Reds' Work in Cuba Outlined: State Dept. Aide Says Technicians Imported
, ''Daytona Beach Morning Journal'', *
Latin-American Ties Jolted
, ''Sarasota Herald-Tribune'', March 20, 1964. *
Castro End Well Begun
, William S. White, ''Sarasota Journal'', August 1, 1964. *
Pan-American Squeeze Is Hurting Fidel Castro
, William S. White, ''Morning Record'', September 14, 1964. *
U.S. Offering Countries Population Problems Aid
, ''St. Petersburg Times'', November 12, 1964. *
Mann to Replace Harriman in State Department Shakeup
, ''Meriden Journal'', February 12, 1965. *
Latin Policy Protest Halts Senate Vote
, ''Spokane Daily Chronicle'', February 8, 1966 *
Automakers Sued Over Air Pollution
, ''Meriden Journal'', January 11, 1969. {{DEFAULTSORT:Mann, Thomas C. People from Laredo, Texas 1912 births 1999 deaths Baylor University alumni Texas lawyers People from Lubbock, Texas United States Assistant Secretaries of State Ambassadors of the United States to Mexico Ambassadors of the United States to El Salvador 20th-century American lawyers Recipients of the President's Award for Distinguished Federal Civilian Service