Yu Xun thought that Yuan Shao could not achieve great things and took refuge in Cao Cao.
Yu Xun was born after Xunzi. In the first year of Yong-Han Dynasty, Yu Xun was promoted to our duty of filial piety and was appointed as palace examination. In September, Dong Zhuo abolished Liu Bian and established Liu Xie, the Emperor of the Han Dynasty. In November, Dong Zhuo became the prime minister, brought his sword to the temple and usurped the power of the Eastern Han court. After Yu Xun abandoned his post and returned to China, the Korean government in Jizhou County sent someone to take Yu Xun to Jizhou. Jizhou was already Yuan Shao's at this time. Yuan Shao regarded Yu Xun as a distinguished guest, but Yu Xun thought that Yuan Shao could not be a great player. In the second year of Chuping, he left Yuan Shao and took refuge in Cao Cao. At that time, 29-year-old Yu Xun was appointed as Sima of other departments to advise Cao Cao and became an important helper for his rapid rise. As a counselor, he recommended more talented counselors for Cao Cao.
Cao Cao treated all counselors with courtesy and attached great importance to them.
Guo Jia was the first able man recommended by Yu Xun to Cao Cao, and also a famous counselor under Cao Cao's account in the late Eastern Han Dynasty. He is also a well-known historical figure in history and a top counselor in the Three Kingdoms period. Among Cao Cao's many advisers, only Guo Jia knows Cao Cao best, and their relationship is also very close, just like friends. During his long career, Cao Cao's tactics and methods with Guo Jia and Guo Jia worked well every time. Unfortunately, he died young, and Cao Cao was deeply sorry. In A.D. 196, after Cao Cao welcomed the son of heaven into Xudu, Xun You became his strategist and made many contributions for Cao Cao. In the 19th year of Jian 'an, when Cao Cao was attacking Wu, Xun You died, saying "Respect Hou".
Of course, Cao Cao's great ability depends on the achievements of his advisers.
Although Zhong You was a famous calligrapher, he was also an important adviser and minister of Cao Wei. Chen Qun was born into a noble family. When he played for Cao Cao, he made an important contribution to the establishment of Cao Cao, and his position in the middle of Cao Wei was equal to that of Sima Yi. Like Guo Jia, he died young, and the historical records are not very detailed. Du, an official of Wei State in the Three Kingdoms, was the grandson of Dugan, the satrap. When General Cao Zhen led the troops to resist, Du was a general strategist with strong ability.
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With the help of so many counselors, Cao Cao was prosperous and powerful during the Cao Wei period!