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
History of Germany during World War I Russia and Britain. The beginning of war was presented in Germany as the chance for the nation to secure "our place under the sun," as the Foreign Minister Bernhard von Bülow had put it, which was readily supported by prevalent nationalism among the public. The Kaiser and the German establishment hoped the war would unite the public behind the monarchy, and lessen the threat posed by the dramatic growth of the Social Democratic Party of Germany, which had been the most vocal critic of the Kaiser in the Reichstag before the war. Despite its membership in the Second International, the