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After Cao Cao had defeated the Yellow Turban rebels, he received Emperor Xian (who had escaped from the clutches of Li Jue and Guo Si) and set up the new capital at Xu (許; present-day Xuchang, Henan) in 196. Cao Ren was appointed as the Administrator (太守) of Guangyang Commandery (廣陽郡) for his achievements. However, Cao Ren never exercised governorship over his jurisdiction because Cao Cao appreciated his military skills and kept him by his side in Xu. Cao Ren was still in charge of the cavalry even though he held the position of a civil official as a Consultant (議郎).