What event caused the US to join the allies in world war 2?

Answer 1

Two causes, the first cause was to help Europe defeat Hitler and bring peace to Europe (biggest lie ever). The second cause was the capitalists' greediness to get cheap labor and resources from the colonies of Middle East Africa, Latin America, and Asia ( Realistic reason).

Answer 2

The Japanese bombing of Pearl Harbor and Hitler's declaration of war on the US .

Answer 3

i think this is what you want but i only know one event, that is the attack by the Japanese on the American base at Pearl harbour. hope this helped

Answer 4

The Germans kept sinking American supply ships. They also joined because of the attack on pearl harbor

Answer 5

The attack of Pearl Harbor on December 7, 1941