What role did the United states play in foreign affairs in the 1920s?

In the 1920s, the United States emerged as a significant global power, promoting a policy of isolationism while still engaging in international diplomacy and economic influence. The U.S. played a key role in the establishment of the League of Nations, despite not joining it, and participated in various disarmament efforts, such as the Washington Naval Conference. Furthermore, American businesses expanded overseas, fostering economic ties and promoting free trade. Overall, the decade was marked by a complex balance between isolationist tendencies and active involvement in shaping international relations.