In the first 300 years since 220 A.D,China was divided into 3 small kindoms.One was Wei,located in the north of China,governned by Cao Clan.Another one was called Shuhan,in the Southwest of China,ruled by Liubei.The last one was Wu,in the Southeast of China,whose lord was Sunquan.The greatest book in China literature,The Three Kindoms is just about this period