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
Reorganization of occupied dioceses during World War II Reorganization of occupied dioceses during World War II The reorganization of occupied dioceses during World War II was an issue faced by Pope Pius XII of whether to extend the apostolic authority of Catholic bishops from Nazi Germany and Fascist Italy to German-occupied Europe during World War II. Although such reorganization was often refused, the decision of Pius XII to appoint German apostolic administrators to occupied Poland was "one of his most controversial decisions". These actions were the primary justification given by the Soviet-backed Polish Provisional Government (which replaced the pro-Catholic Polish government-in-exile), for declaring the Concordat of 1925 null