 Complete the following phrase:  After the 1928 assassination of Yang Zengxin, governor of the semi-autonomous Kumul Khanate in east Xinjiang under the Republic of China, he was succeeded by Jin Shuren. On the death of the Kamul Khan Maqsud Shah in 1930, Jin abolished the Khanate entirely and took control of the region as warlord. Corruption, appropriation of land, and the commandeering of grain and livestock by Chinese military forces were all factors which led to the eventual Kumul Rebellion that established the First East Turkestan Republic in 1933. In 1934, it was conquered by warlord Sheng Shicai with the 