The US entered World War 2 because?

Answer 1

The United States entered World War II on December 8, 1941, after the Japanese surprise attack on Pearl Harbor in Hawaii. This action was in direct response to Japan's attack on American soil and the American people's desire to join the Allied Powers in their fight against the Axis Powers. The United States had been supplying the Allied Powers with resources, such as money and weapons, since the start of the war, but the attack on Pearl Harbor was an act of aggression that pushed the United States to officially enter the war.

Answer 2

The Japanese bombed the US Navy's Pacific Fleet at Pearl Harbor.

Answer 3

They joined the war on the pacific side as the Japanese bombed Pearl Harbor. On the eastern side in Europe because the Nazis declared war in an attempt you get the Japanese to like them again.

Answer 4

The Japanese bombed Pearl Harbour.