During the age of Three Kingdoms, Cao Cao gained support from refugees defecting from Shu and Wu. However, there was dissension in his family and in his court that made it difficult to command his men. As a result, he was forced to fight defensively. His only major victory was at the Battle of Fancheng. | During the age of Three Kingdoms, Cao Cao gained support from refugees defecting from Shu and Wu. However, there was dissension in his family and in his court that made it difficult to command his men. As a result, he was forced to fight defensively. His only major victory was at the Battle of Fancheng. |