Answer: Mao retiring to northern China
Notes: In 1924 Dr. Sun Yat Sen passed away. The leadership of the Kuomintang party was assumed by Chiang Kai Shek. In the beginning there was an understanding between the Kuomintang and the Communists. But, soon both became rivals. Chiang wanted to exterminate Mao’s Communist Party. Mao retired to northern China. It is known as the Long March. There the Communists established their control.
