c) Attack on Pearl Harbor

The attack on Pearl Harbor on December 7, 1941, was a major event during World War II. This surprise military strike by the Imperial Japanese Navy against the U.S. naval base in Hawaii led to significant casualties and damage, propelling the United States into the war. The attack galvanized American public opinion against Japan and led to the U.S. government’s decision to enter World War II both in the Pacific and in Europe, marking a significant turning point in the conflict.