Question

how did the united states respond to the bombing of pearl harbor?
the united states signed a peace treaty with japan.
the united states asked the league of nations for help.
the united states declared war on japan.
the president of the united states met with the japanese prime minister.

Explanation:

After the bombing of Pearl Harbor on December 7, 1941, the United States responded by declaring war on Japan. Signing a peace treaty (first option) was done after the war ended, not right after the bombing. The League of Nations was ineffective and the US didn't ask it for help (second option). A meeting between the US president and Japanese prime minister didn't happen as a response to the bombing (fourth option).

Answer:

The United States declared war on Japan.