In the thirteenth year of Jian'an (208), the general trend has been very obvious, and it is one-sided to Cao Cao's side, and Cao Cao's domination of the world has become a reality.

【Cao Wei's Great Cause】

Cao Cao started from the Taishou of Dongjun, replaced him after the death of Liu Dai, obtained Yanzhou, and developed his power based on this in the early stage, and in the first year of Jian'an (196), Cao Cao welcomed the Son of Heaven and moved the capital to Xuchang, and his power was greatly boosted, and it was out of control since then.

In the following years, Cao Cao successively defeated Yuan Shu, Lü Bu and other princes, seized Yuzhou, Xuzhou, Nanyang and other places, in the fourth year of Jian'an (199) Cao Cao has become the second strongest prince after Yuan Shao in hard power at that time, and the edge has been exposed.

In the decisive battle of Guandu with Yuan Shao, Cao Cao won a great victory and defeated Yuan Shao in one fell swoop. The victory in this war marked that the strength of Cao Cao's group had surpassed that of Yuan Shao, and at that time Cao Cao's domination of the world had begun to become clear.

After that, Cao Cao took advantage of the civil strife of the Yuan brothers, broke them one by one, and personally led the troops to crusade against Wuheng, dealt a heavy blow to the arrogance of the Wuheng people, and seized the four major states of Qingzhou, Jizhou, Bingzhou, and Youzhou in the north, plus Yanzhou, Xuzhou, Yuzhou and other counties that Cao Cao originally controlled in his hands, Cao Cao already owned more than half of the states and counties in the world at that time, not counting the princes who belonged to Xiliang.

By the thirteenth year of Jian'an (208), the strength of Cao Cao's group had equaled or even exceeded the sum of other princes, and at that time, there was really no one to stop Cao Cao. At this time, if nothing else, the whole world will fall into the hands of Cao Cao.

【Other Princes】

At that time, in addition to Cao Cao, there were also remnants of Liu Biao, Sun Quan, Gongsun Kang, Liu Zhang, Zhang Lu, Shixie (Zhang Jin), as well as Ma and Han of Xiliang.

Liu Biao occupied Jingzhou and was one of the relatively large princes in the late Han Dynasty. Historically, Jingzhou has developed humanities, smooth transportation, and prosperous economy, but it is also a place of four wars, Liu Biao has fought with Zhang Ji, Cao Cao, Zhang Xian, Zhang Jin and Sun Ce, Sun Quan brothers during his reign, although the record is not a complete victory, but basically guards the stability of Jingzhou.

Historically, Liu Biao knew very well that he was one of Cao Cao's important targets, after the defeat of his ally Yuan Shao's official crossing, Liu Biao had been actively preparing to fight Cao Cao, he first reused Liu Bei as his northern barrier, and then actively eased the relationship between the Yuan brothers, but in the end he still failed to prevent Cao Cao from eliminating the Yuan clan and unifying the north.

Sun Ce almost unified Jiangdong with the help of Yuan Shu's power, but later Yuan Shu made a desperate bet and decided to establish himself as emperor, and the two broke off their relationship. Later, Sun Ce was killed by the Assassins because of his carelessness, and left the throne to his younger brother Sun Quan before his death. After Sun Quan inherited the great cause, he had to spend a lot of time and energy to stabilize the situation, and later he crusaded against Huang Zu, quelled the rebellion of Li Shu, Fei Lan and others, and stabilized Jiangdong again.

After Gongsun Du unified Liaodong, he became the overlord of Liaodong, and even didn't care about the feudal marquis of the imperial court. In the ninth year of Jian'an (204), Gongsun Du died, and his son Gongsun Kang succeeded to his throne, and then beheaded Yuan Shang and Yuan Xi, and sent his head to Cao Cao, so he was named the Marquis of Xiangping and appointed as the general of Zuo.

After Liu Zhang inherited the great cause, he put down the rebellions of Shen Mi, Lou Fa, Gan Ning and Zhao Wei, but failed to solve Zhang Lu.

After Zhang Lu became independent from Liu Zhang, he occupied Hanzhong and was at ease, although Cao Cao had the intention to crusade, but he really had no time to take care of Hanzhong, so he worshiped Zhang Lu as the general of the townspeople, and led Hanning to guard. In the later period, Zhang Lu gradually gained the upper hand in the war with Liu Zhang, forming a certain threat to Yizhou in the south.

After Zhang Jin became the assassin of Jiaozhou, because of the deterioration of relations with Liu Biao, the two sides broke out for many years of war, and later Zhang Jin offended many people because of war and religious reasons, and was killed by his subordinates. After Zhang Jin's death, Liu Biao took advantage of the situation and appointed his subordinate Lai Gong to replace Zhang Jin, and also sent Wu Ju to serve as the Taishou of Cangwu.

Later, Shi Xie ignored the isolation of the road, but still sent the envoy Zhang Min to send tribute to Xuchang, and the imperial court specially issued an edict to worship Shi Xie as the general of Anyuan and knighted the Marquis of Longdu Pavilion in order to commend him. As a representative of the local forces in Jiaozhou, Lai Gong had nothing to do with Shixie, and after Wu Ju expelled Lai Gong, Jiaozhou was basically Shixie's world.

Ma Teng and Han Sui were brothers with different surnames, and after they united, they became the two strongest princes in the Guanzhong region. In the seventh year of Jian'an (202), Yuan Shang sent Guo Yuan, Gao Gan and others to invade Hedong with the Southern Xiongnu, and contacted Ma Teng, but later Ma Teng decided to support Zhong Xuan against Guo Yuan under the persuasion of Zhang Ji, Fu Gan and others.

In the tenth year of Jian'an (205), Gao Gan, together with Zhang Sheng, Wei Gu and others, once again rebelled in Hedong, and Ma Teng and Han Sui also participated in the suppression of them again. In the thirteenth year of Jian'an (208), due to the contradictions between the tribes, Ma Teng and Han Sui became enemies, and Han Sui killed Ma Teng's wife, and a large-scale conflict broke out between the two. Cao Cao sent Zhong Xuan and Wei Duan to persuade peace, and with Ma Teng as the former general, he changed his camp to Huaili, fake the festival, and sealed the Marquis of Huaili. Later, Zhang took the opportunity to persuade Ma Teng to enter the court, Cao Cao named Ma Teng as a guard lieutenant, and his son Ma Chao as a partial general, instead of Ma Teng to lead the troops, and stayed in place, Ma Teng came to Yecheng under pressure. His subordinates were led by his eldest son, Ma Chao.

【Fallen Princes】

In the thirteenth year of Jian'an (208), the world that once competed for hegemony has fallen too many heroes.

Yuan Shao, the once strongest prince, has died, and his power has been completely swallowed up by Cao Cao, and the three sons who inherited the great cause, Yuan Tan, Yuan Xi, and Yuan Shang, have also died in Huangquan; Yuan Shao's younger brother Yuan Shu is also worthy of being a generation of heroes, who once forced a generation of heroes Dong Zhuo out of Luoyang, and once got involved in Yangzhou and Yuzhou, but the emperor turned sharply and brought about his own destruction; Lu Bu was even considered to have the courage of a thousand men and ten thousand people, but he was capricious and could not reuse good talents as a monarch, and was also eliminated by Cao Cao; Although Liu Miao was the assassin of Yangzhou sent by the Son of Heaven, he was defeated by Sun Ce, his power gradually shrank, and he died of illness; Gongsun Zan took his place after eliminating Liu Yu, and his power also reached its peak, but his betrayal of the lord made the heroes excited, and he was finally destroyed under the blows of Liu Yu's old troops and Yuan Shao.

In addition to these state-level princes, some small princes' forces have also collapsed, Zhang Yan, Zhang Yang, and Zhang Xiu have also died or surrendered, and the general trend of the world tends to be unified.