America in World War II: From Isolation to the Atomic Bomb

CrashCourse

In this episode of Crash Course US History, John Green explores the complex role of the United States in World War II, challenging the common narrative of American isolationism prior to Pearl Harbor. The video details how the U.S. was deeply involved in global affairs through policy and trade long before officially entering the conflict. It provides a comprehensive overview of the two major theaters of the war—the Pacific and Europe—explaining strategic decisions like 'island hopping' and the eventual invasion of Normandy.