The Marco Polo Bridge incident between Japanese and Chinese troops, led to fighting between the two countries that was the prelude to the Pacific side of World War II. Japan had continued to try and expand into Chinese territory, and Chinese communists and Nationalists formed a united front against farther aggression.
Why is Mao Zedong so significant to the Chinese communist party and what victory did he accomplish in 1949?
There were two parties in China after World War 2: the Nationalists and the Communists. The Nationalists were led by Chiang Kai Shek, and the Communists were led by Mao Ze Dong. The Communists defeated the Nationalists, and Chiang Kai Shek fled to Taiwan to set up a government there. China then became Communist under the dictator Mao Ze Dong.