The Brazil–United States Treaty was a military assistance agreement signed in 1952 in Rio de Janeiro between the two countries, with the goal of defending the Western Hemisphere.
[2] This tenuous alliance governed the two nations bilateral ties during the events of the Cold War.
[2] However, the alliance was short lived, and suffered several major blows between the two nations during the military coup in Brazil in 1964.
[4] President Goulart, Brazil's president, supported labor unions, wanted to limit the international business profits from Brazil, and also wanted to begin trading with communist states.
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