1, Chen Huaiyi, Ming Dynasty, the peasant uprising army led by Zhu Yuanzhang, the founder of the Ming Dynasty, successfully overthrew the Mongolian Empire. In order to maintain Zhu's position in the world, he abolished the prime minister system of Zhongshu Province and put the power of internal affairs in the hands of the emperor alone. In terms of border security, change the previous practice of sending military attaché s to the border;

2. On the one hand, it can protect the border security of the Ming Dynasty, on the other hand, it can control government officials. Zhu Yuanzhang thought that the Great Ming Dynasty was their Zhu family's Great Ming Dynasty. Therefore, all adult sons, except Prince Zhu Biao, stayed in Beijing to assist the emperor in handling government affairs, and the rest were crowned kings.