 Complete the following phrase:  The KMT, under the leadership of Sun, attempted multiple times to establish a national government in Canton. After taking Canton for a third time in 1923, the KMT successfully established a rival government in preparation for a campaign to unify China. In 1924 the KMT would enter into an alliance with the fledgling Communist Party of China CPC as a requirement for Soviet support. General Chiang Kai-shek, who became the Chairman of the Kuomintang after Suns death and subsequent power struggle in 1925, began the Northern Expedition in 1926 to overthrow the Beiyang government. In 1927, Chiang moved the nationalist government to Nanking and purged the CPC, beginning with the 