A 1948 conference in Columbia brought together nations of the Western Hemisphere. This conference led to the formation of the Organization of American States (OAS) . The organization’s primary goal was to .

strengthen the peace and security of the Western Hemisphere, to promote the peaceful settlement of disputes between member states, to provide for collective security, and to encourage cooperation in economic, social, and cultural matters.source google

Explanation:

c is the correct answer for this question.