sentences:  In the tenth month, the warlord Puxian Wannu rebelled against the Jin dynasty, and declared himself king of the Eastern Xia regime in Liaodong.In early 1220, Emperor Xuanzong had Zhuhu Gaoqi executed after Zhuhu Gaoqi's repeated failures to repel the Mongols, and also because Zhuhu Gaoqi eventually planned on rebelling.Emperor Xuanzong's foreign policy towards the other states was a direct cause of the fall of the Jin dynasty.