Which of the following is an organization formed in 1948 to promote democracy, economic cooperation, and human rights?
a. organization of american states
b. alliance for progress
c. organization of petroleum exporting countries
d. north american free trade agreement

The Organization of American States (OAS) was founded on April 30, 1948. It is established for the purpose of regional solidarity and cooperation among the member states. During the Ninth International Conference of American States which was held in Bogotá between March and May 1948; led by the United States Secretary of State George Marshall. The meeting led the members to pledge to fight against communism in the western hemisphere. The meeting also adopted the American declaration of the Rights and Duties of Man the world’s very first general human rights instrument.