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
War crimes in occupied Poland during World War II War crimes in occupied Poland during World War II It's estimated that over six million Polish citizens, divided nearly equally between ethnic Poles and Polish Jews, perished during World War II. Most were civilians killed by the actions of Nazi Germany, the Soviet Union and their respective allies. At the Nuremberg Tribunal, three categories of wartime criminality were established: waging a war of aggression, war crimes, and crimes against humanity. These three core crimes of international law were set apart from other crimes, and for the first time since the end of the war categorised as violations of fundamental human