Question

which of these actions did the united states take immediately after the attack on pearl harbor?
the us evacuated citizens from the west coast.
congress voted to continue its isolationist policy.
american forces sailed to japan and began to attack it.
congress declared war on japan the next day.

Explanation:

After the Japanese attack on Pearl Harbor on December 7, 1941, the U.S. Congress declared war on Japan on December 8, 1941. There was no mass - evacuation from the West Coast immediately, the isolationist policy ended, and there was no immediate military attack on Japan by sea.

Answer:

The US declared war on Japan the next day.