How did japan bring the US into World War 2?

Japan's aggression towards China beginning in the 1930s created tensions with Western powers including the United States and the Empire of Japan's attack on Pearl Harbor on December 7, 1941 prompted the United States to abandon neutrality and enter World War II, leading to the defeat of Japan by August 14, 1945. The American public was shocked and outraged by the surprise attack which resulted in an immediate entry into World War 2