-background info on the beginning of isolationism and its decline 
-background information on the shift to interventionism and how the U.S. came to accept it/ backlash it received/ how it affected US people as well as the government
-body paragraph on events that caused isolationism
-the political, economic, social, and geographic effects of isolationism
-isolationism in the US today
-conclusion should reiterate your thesis
-SOURCES: 3