Final answer:
During World War II, Mao Zedong's Communists and Chiang Kai-Shek's Nationalists joined forces to fight Japan. After the defeat of Japan, they turned against each other in a civil war, resulting in the Communists winning and Mao declaring the creation of the People's Republic of China.
Step-by-step explanation:
During World War II, Chinese Communists led by Mao Zedong and Nationalists led by Chiang Kai-Shek had joined forces to fight Japan. With the defeat of Japan, the two groups turned on one another once again in a civil war for control of China. The United States provided economic and military assistance to Chiang Kai-Shek even though he was viewed as corrupt and inefficient. Despite the aid, the Nationalists were defeated by Mao's forces, and Mao declared the creation of the People's Republic of China.
The claim made by some American observers during World War II that Mao and his Communists were really