Question

Why did the US enter World War II on the side of the Allied Powers (which event occurred that led to this)?

Answer 1

Answer: The Japanese attack on pearl harbor on December 7, 1941, ended the debate over American intervention in both the Pacific and European theaters of World war II. The day after the attack, Congress declared war on Imperial Japan with only a single dissenting vote.

Step-by-step explanation:

Answer 2

The event that sparked this tragedy was Japan Bombing Pearl Harbor

Explanation The Japanese attack on Pearl Harbor on December 7, 1941, ended the debate over American intervention in both the Pacific and European theaters of World War II. The day after the attack, Congress declared war on Imperial Japan with only a single dissenting vote.