Summary of Social Causes Rise of the Right Crumbling Alliances Hitler's Rise to Power Europe had been devastated by the carnage of World War I. New technology and ways of war had made the war drag on for years, and resulted in a huge loss of life. Jan 08, 2018 · The United States spent the first years of World War II keeping its military out of the conflict. Though it lent aid to the British, it refused to outright join and declare war on any of the Axis powers. From 1939 to 1941, the nation was able to maintain its isolationism. Then came December 7, 1941, a dark day in American history. Source: Wartime America: The World War II Home Front "When I was growing up, it was very much depression times. . . . As farm prices [during the war] began to get better and better, farm time became good times. . . . We and most other farmers went from a tarpaper shack to a new frame house with indoor plumbing.