Chiang's Nationalists engaged in a long standing civil war with the Chinese Communist Party (CCP).

After the Japanese surrender in 1945, he attempted to eradicate the CCP.

Chiang Kai-Shek proved his leadership potential successfully in the Guomindang army.In 1931, Empire of Japan continued to escalate aggression against China through Mukden Incident and the eventual occupation of Northeast China.Zhang Xueliang, the successor of Fengtian clique stationed in the Northeast, was widely criticized for the loss of his territory against the Imperial Japanese Army.Chiang Kai-shek was instrumental in the latter war.Chiang Kai-shek (1887-1975) was the military and political leader of Nationalist China from the mid 1920s until 1949.