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 Pearl Harbor attack on December 7, 1941, the US Congress declared war on Japan on December 8. There was no immediate evacuation of citizens from the West - Coast. The attack ended the isolationist policy. And there was no immediate sailing of American forces to Japan for an attack.

Answer:

The US Congress declared war on Japan the next day.