Military history of the United States during World War II Military history of the United States during World War II The military history of the United States in World War II covers the war against Germany, Italy, and Japan, starting with the 7 December 1941 attack on Pearl Harbor. During the first two years of World War II, the United States had maintained formal neutrality as made official in the Quarantine Speech delivered by U.S. President Franklin D. Roosevelt in 1937, while supplying Britain, the Soviet Union, and China with war materiel through the Lend-Lease Act which was signed into law on 11 March 1941, as well as deploying the
German military administration in occupied France during World War II underground to avoid imprisonment and subsequent deportation to Germany. For the most part, those "work dodgers" ("réfractaires") became "maquisards". There were German reprisals against civilians in occupied countries; in France, the Nazis built an execution chamber in the cellars of the former Ministry of Aviation building in Paris. Many Jews were victims of the Holocaust in France. Approximately 49 concentration camps were in use in France during the occupation, the largest of them at Drancy. In the occupied zone, as of 1942, Jews were required to wear the yellow badge and were only allowed to ride in the last carriage