經濟大蕭條與第二次世界大戰 (1929-1945)
羅斯福總統簽署對日宣戰,1941年12月。
出處: Office of War Information. "President Roosevelt Signing the Declaration of War Against Japan." December 1941. By Popular Demand: Portraits of the Presidents and First Ladies, 1789-Present, Library of Congress.