Isolationism: Isolationism refers to a policy where a country avoids participating in alliances or interfering in foreign affairs.
Interventionism: Interventionism is a policy where a country actively involves itself in the affairs of other nations, often through military or economic means.
Monroe Doctrine: The Monroe Doctrine was an American foreign policy statement issued in 1823 that discouraged European colonization or intervention in Latin America while asserting U.S. influence in protecting Western Hemisphere nations.