cause
Japan attacking pearl harbor.
Pearl Harbor.
The attack on Pearl Harbor
The attack on Pearl Harbor by the Japanese Military.
Question is rather ambiguous. Pearl Harbor is a Naval base located in our 50th State Hawaii, not a cause. Please rephrase the question.
Pearl Harbor,killed over two thousand American man.This surprise attack brought the United States into the World War 2.
2 hours or so after the attack, President Roosevelt declared war on Japan, which lead to their destruction.
The Allies (USA, Canada, Britain, Soviet Union etc.) agreed to pool their resources and fight the Axis powers as a joint operation. Because of the greater industrial output of the USA and the increased manpower, the Allies were able to make inroads towards defeating the enemy which hadn't been possible before.
What actually cause them to join the war was the attack on Pearl Harbor
He allowed Japan to attack the US at Pearl Harbor, Hawaii
The United States became involved in World War II due to the attack on Pearl Harbor by the Japanesse. The United States had to act after the unprovoked and unwarned attack on one of its Military bases.