Question
What caused the United States to join WWII in 1941?
A - sinking of the Lusitania
B - Japanese bombing of Pearl Harbor
C - Hitler's invasion of Poland
D - Germany's Zimmerman Note
Answers
GPT-4o mini
B - Japanese bombing of Pearl Harbor
The United States entered World War II in 1941 primarily due to the Japanese attack on Pearl Harbor on December 7, 1941. This event led to a formal declaration of war against Japan and subsequently against the Axis powers.
The United States entered World War II in 1941 primarily due to the Japanese attack on Pearl Harbor on December 7, 1941. This event led to a formal declaration of war against Japan and subsequently against the Axis powers.