Abovee: Map of World War II In the aftermath of World War I, the United States attempted to disengage itself from European affairs. The U.S. Senate rejected American membership in the LEAGUE OF NATIONS, and in the 1920s American involvement in European diplomatic life was limited to economic affairs. Moreover, the United States dramatically reduced the size of its military in the postwar years, a measure widely supported by a public increasingly opposed to war. Events in Europe and Asia in ... Read More