How did the events of the Chinese civil war influence the eventual adoption of the Truman Doctrine?
A. The United States was determined to arm anti-communist forces
around the world after it failed to adequately support the Chinese
nationalists during the Chinese civil war.

B. The United States had futilely wasted huge amounts of money
opposing the communists in the Chinese civil war and was
reluctant to commit to similar actions again.
C. The Chinese Communist Party's rise to power following the
Chinese civil war led American leaders to focus their attention on
communism in Asia rather than Europe.