However, in the end, the defeat at the front line of Fu Jian’s engagement with Jin led to the collapse of the army and the final failure. He persuaded all the Qiang and Xianbei people to defect, and even the Fu Jian people finally died by Yao Chang, a Qiang.

If Fu Jian succeeded in the water and fertilizer war, there would be no Northern and Southern Dynasties, and the Sui and Tang Dynasties would be gone. The failure of…