 Despite this agreement, during Uchjulü-Jodi-Chanuy's reign relations with China went from cordial to antagonistic when a usurper Wang Mang came to power, which ended the Western Han Dynasty, and establishing the short-lived Xin Dynasty.Assembling a 300,000-strong army, Wang Mang began military actions, but his attempts ended in futility.Uchjulü-Jodi-Chanuy died in AD 13, before the end of the war.