 The best troops were found in the 2nd Brigade, commanded by Zhang Xueliang, and the 6th Brigade, commanded by Guo Songling, and they were viewed as the model units of the Fengtian army.The prelude of the Second Zhili–Fengtian War was the First Jiangsu-Zhejiang War, which broke on 3 September 1924, and provided a direct excuse for the Fengtian clique to start the war.The next day, Zhang Zuolin held a conference at his residence.