Monroe Doctrine: The Monroe Doctrine was issued in 1823 by President James Monroe and stated that the United States would not tolerate European interference or colonization in the Western Hemisphere. It influenced American foreign policies during the interwar years by emphasizing U.S. dominance in the Americas.
Good Neighbor Policy: The Good Neighbor Policy was implemented by President Franklin D. Roosevelt in the 1930s, aiming to improve relations with Latin American countries and promote non-interventionism. It reflected a shift towards cooperation and diplomacy in American foreign policies.
Neutrality Acts: The Neutrality Acts were a series of laws passed by the U.S. Congress between 1935 and 1939 to maintain American neutrality during conflicts abroad, particularly in Europe. These acts shaped American foreign policies during the interwar years by seeking to avoid entanglement in future wars.