A result of Japan's attack on Pearl Harbor was

a. The US formed a pact with Indichina

b. the US formed a pact with Germany against Japan

c. thousands of Americans died, and the US declared war

d. Thousands of Japanese people died, and Japan declared war

Option C. thousands of Americans died, and the US declared war.

During the attack on Pear Harbor, 2,403 Americans were killed and 1,178 were wounded. The attack on Pearl Harbor served as the catalyst that caused the US to enter World War II as Congress declared war on Japan the next day.

The right answer for the question that is being asked and shown above is that: "d. Thousands of Japanese people died, and Japan declared war." A result of Japan's attack on Pearl Harbor was d. Thousands of Japanese people died, and Japan declared war