 Cao's ambition brought all of his enemies against him and created dissension within the clique.Zhili may have won the Second Zhili–Fengtian War (1924) and eventually reunite all of China had it not been for Feng Yuxiang's betrayal with the Beijing Coup.Cao was imprisoned and leadership passed to Wu who along with Sun Chuanfang managed to hold central China for the next two years.