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 Inter-American Peace Force North Atlantic Treaty Organization Military alliance SICOFAA Mutual Defense Assistance Act Mutual Security Act Latin America–United States relations Inter-American Conference on Problems of War and Peace of 1945 Footnotes Further reading Long, T. (2020). "Historical Antecedents and Post-World War II Regionalism in the Americas." World Politics. References 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