World War II

World War II (1939-1945) was a global conflict in which the United States played a crucial role. Initially neutral, the U.S. entered the war after the Japanese attack on Pearl Harbor in 1941. It joined the Allies, fighting against the Axis powers, including Germany, Italy, and Japan. The war involved significant battles across Europe and the Pacific, leading to the defeat of the Axis. The U.S. emerged as a global superpower, and the war catalyzed major social changes, including advancements in civil rights and women's roles in the workforce, ultimately shaping modern American society.