Second Zhili–Fengtian War
In September 1924, the Zhili clique general and Jiangsu governor Qi Xieyuan demanded control of Shanghai, which belongs in his province, from Lu Yongxiang's Zhejiang the last province controlled by the Anhui clique. Fighting broke out between the two provinces with Qi quickly gaining ground. Sun Yatsen and Zhang Zuolin pledged to protect Zhejiang, sparking the Second Zhili–Fengtian War. Zhejiang fell and for the next two months Wu was gradually winning against Zhang.