Pacifying the Qiang, sweeping away the Wuhuan, suppressing the Xiongnu, and subduing Xianbei, all of which were done by Cao Cao, the prime minister of the Han Dynasty
In the last years of the Eastern Han Dynasty, Cao Cao did play an important role in quelling rebellions in various places and consolidating the ** regime. He succeeded in pacifying the Qiang, sweeping away the Wuhuan, suppressing the Xiongnu, and subjugating the Xianbei. These actions not only stabilized the borders, but also prevented these ethnic groups from taking advantage of the troubled times in the late Han Dynasty to enter the Central Plains.
Suppression of the Xiongnu: The leaders of the Southern Xiongnu began to attack the land of Zhao Wei during the Yellow Turban Uprising, but they ran into Cao Cao, and a major battle ensued between the two sides, in which the Southern Xiongnu were educated by Cao Cao and suffered heavy losses in their troops. In the 7th year of Jian'an, the leader of the Southern Xiongnu Hu Chuquan was attached to Cao Cao. Later, in the first year of Qinglong, the Southern Xiongnu led their troops to rebel again, so the famous King Sima Xuan sent the general to fight again, and then broke it, and the other party was forced to surrender.
Sweep away the black Huan. In order to eliminate the remnants of the Yuan clan and consolidate the north, Cao Cao dug the Pinglu and Quanzhou Second Canals (north and south of present-day Tianjin) that connected the Hutuo River and Baoqiu River in the 11th year of Jian'an (206) to transport military supplies. In the summer of the following year, Cao Cao led the army out of Wujian (today's Jinji County) and attacked Wuhuan in the east. Despite the difficulties of the rain and waterlogging of the road, Cao Cao took the advice of the local celebrity Tian Chou and attacked Wuhuan from a remote path, successfully eliminating its threat.
In addition, regarding Cao Cao's handling of Wuhuan after his conquest, the "Chronicles of the Three Kingdoms" recorded: "After conquering Wuhuan, there were more than 200,000 people who surrendered to Hu and Han. ......This shows Cao Cao's mastery in dealing with post-war issues, and he did not choose to kill or expel them all, but chose to move them to China, a move that undoubtedly strengthened the stability of the ** regime.
Pacify the Qiang. After the Battle of Chibi, Cao Cao began to expand his territory westward, and there were some battles between him and the kings of Qiang and Hu. Especially in 215 AD, in order to conquer Zhang Lu in the west, Xiahou Yuan led the generals stationed in Liangzhou and the kings of Qiang and Hu to meet with Cao Cao in Xiuting. Because of Xiahou Yuan's brave spirit and outstanding military talent when he fought against Qianghu, he became famous in Qianghu. Every time Cao Cao met with the leaders of Qiang and Hu, he would have Xiahou Yuan accompany him to attend, so as to deter the leaders of Qiang and Hu.
In addition, Cao Wei also fought twice with the Qiang-Hu coalition army in order to seize Hexi. The first time occurred in May of the first year of Yankang, and the second time was in November of the second year of Huang Chu. After these two expeditions to the west, the power of Qianghu was seriously weakened, and the Hexi region was completely pacified, which made Cao Wei's prestige shake the Western Regions and successfully restored control of the Western Regions.
Subdue Xianbei. When Yuyan, the leader of the Xianbei tribe, was often plagued by bandits on the border of Bingzhou, the Cao Wei general Liang Xi played an important role. Yu Yan once led more than 5,000 of his tribe into the territory of the state, so that people could meet Liang Xi, hoping that the two sides could trade with each other at the border. However, Liang Xi is well aware of the risks involved, and he believes that if he does not heed Yuyan's request, it may trigger their resentment;If they are allowed to trade in the state, they are worried that the Xianbei cavalry will plunder the people. Therefore, on the one hand, he promised to trade with Yuyan in an empty city, and on the other hand, he ordered the counties to do a good job of defense, and then he himself and the governor of the prefecture led the army to trade. This practice fully demonstrated Liang Xi's wisdom and decisiveness.
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