The attack on Pearl Harbor had which of the following consequences? France stopped supporting the Allied troops.
The United States turned its back on German aggression and began to pursue Japan.
The United States resolved to enter World War II with full energy
The Axis Powers' victory was ensured.

I believe the answer that makes the most sense is C

Explanation:

The attack on Pearl Harbor was a surpirse attack that Admiral Yammamoto planned. The US declared war on Japan the following day. When the US declared war on Japan, the Germans declared war on the US, leaving the US in conflict from all sides.

C

Explanation:

During the Japanese bombing of Pearl Harbor, the United States entered the war, namely by first focusing on the Pacific theater and getting back at Japan, then the Atlantic theater to assist the Allied Powers.