Organization of American States (OAS)

Established by the Ninth International Conference of American States held in Bogotá on April 30, 1948, and effective since December 13, 1951. Has served as a major inter-American organization to promote regional peace and security as well as economic and social development in Latin America. Composed of thirty-five members, including most Latin American states and the United States and Canada. Determines common political, defense, economic, and social policies and provides for coordination of various inter-American agencies. Responsible for implementing the Inter-American Treaty of Reciprocal Assistance (Rio Treaty) (q.v.), when any threat to the security of the region arises.

Source: Library of Congress