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简介：Because Ma Shiying led the army into Yunnan, all provinces had a continuous supply of material resources for a while. The official roads from Guizhou, Sichuan, and Guangxi to Yunnan were narrow and old, and they were often blocked by rain. In view of this, Zhu Cixiang gave instructions to the governors of the provinces. , there is often a saying, that is: whenever you have leisure, build roads and build bridges.