Cao Cao recently lost which land that Lui Bei occupied ?
In the ninth month , the tribal king Pu Hu ( 朴胡 ) and Du Huo ( 杜濩 ) , the Marquis of Congyi ( 賨邑侯 ) , led the people in Bayi ( 巴夷 ) and Cong (賨) to submit to Cao Cao .