Question

Why did Truman react so strongly when North Korea attacked South Korea? A. He wanted to protect US troops stationed in South Korea. B. He wanted to prevent the advance of Communism. C. He was worried that the Chinese Communists were behind the attack. D. He saw an opportunity to increase US defense spending.

Answer 1

Truman was afraid that it could escalate into a war between the United States and the Soviet Union. In other words, he thought it might be the beginning of World War III.  Hope this helped. :)