Guo Liang
In April 1927 he fought against Chang Tso-lin's army in Hebei. At the same time, Communist revolutionaries Guo Liang, Liu Zhixun (purged by Xia Xi and executed), and Xia Xi in alliance with Kuomintang leftist pressed ahead with rural land reform in Hunan, this incident lead to intensification of the contradictions between Communist Party and Kuomintang. On May 21, 1927, the Mari Incident broke out, He Jian began to crack down the Communists.