The State of Qi surrendered to Liu Bang for three reasons:
First, Xiang Yu divided the princes and Tian Guang into a feud against tian. In 206 BC, Xiang Yu divided the princes, because of dissatisfaction with the poor rescue of the State of Qi, resulting in Xiang Yu's uncle Xiang Liang being killed by the Qin Dynasty general Zhang Handan, deliberately dividing the State of Qi into three, Xiang Yu established the former Qi King's grandson Tian Du as the King of Qi, the capital was set up in Linzi (northeast of present-day Zibo, Shandong), Tian Wei was the King of Jiaodong, the capital was in Jimo (southeast of present-day Pingdu, Shandong), Tian An was the King of Jibei, the capital was in Boyang (southeast of present-day Tai'an, Shandong), Tian An was originally a deputy general of the State of Qi, and later betrayed Tian Rong with Tian Du and entered the customs with Xiang Yu. Tian An and Tian Both were crowned kings at the same time, this title caused Strong Dissatisfaction from Tian Rong, Tian Rong drove away Tian Du and established himself as the King of Qi, Xiang Yu took the lead of Tian Du, led an army to attack Tian Rong, Tian Rong's soldiers were defeated and killed, Xiang Yu also killed many of Tian Rong's subordinates, this move caused serious dissatisfaction among the soldiers and people of Qi, Tian Rong's brother Tian Shan then supported Tian Rong's son Tian Guang as the King of Qi, and from then on he and Xiang Yu swore no different, Xiang Yu was thus trapped in Qi and could not extricate himself, Liu Bang took the opportunity to send troops out of Chen Cang, recovered Three Qin, and led 500,000 people to directly attack pengcheng, the capital of the Chu state, with a crowd of 500,000 people. Xiang Yu hurriedly withdrew his army from the State of Qi to rescue Pengcheng, defeated Liu Bang at Pengcheng, and formed a long-term military confrontation between Yu Xingyang and the Han army.
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Second, Han Xin posed a military threat to the State of Qi in the plains northwest of the State of Qi. Han Xin in the northern battlefield all the way to victory, attack must be conquered, with more than a year to take the Zhao state fifty cities, and destroyed the Zhao state, its invincible, oath can not be taken, the state of Qi was originally attacked by Xiang Yu for many years, the national strength was greatly weakened, the army and the people are very tired, now Han Xin with the power of destroying several countries in a row, undoubtedly put the state of Qi under great pressure, this is an important reason for the king of Qi to defect to Liu Bang, the king of Han.
Third, lishi's lobbying played a decisive role. Li Shiqi volunteered to go to the State of Qi with Liu Bang's permission to surrender To Qi Wang Tian Guang, he asked Tian Guang who would eventually win the world, the King of Qi said that he did not know, Li Shiqi said to the King of Qi, the last person to win the world must be Liu Bang, the King of Han, Tian Guang asked why? Li Shiqi then told Tian Guang about Liu Bang's benevolence and love for the people and Xiang Yu's cruelty and injustice, and told Tian Guangqi that the biggest enemy of the State of Qi was Xiang Yu and not Liu Bang, xiang Yu was the enemy of the King of Qi, and now the State of Qi was ready to fight with Han Xin, not only could not win, but also helped the enemy Xiang Yu a great favor, which was tantamount to helping the elbow to abuse and self-destruction, if Xiang Yu finally won, the State of Chu and the State of Qi were too deeply resentful, Xiang Yu would not spare the King, and the head of the King of Qi would not be safe, but if the King of Han finally won, the King of Han and the King of Qi would not have any deep hatred. King Xingxu of Qi was able to save his head in the end, and he was prosperous and rich, and Tian Guang listened to what Li Shuqi said was very reasonable, and finally agreed to surrender to the King of Han with seventy cities, abandoning the defense and preparation for Han Xin's army.
Han Xin heard that the King of Qi had promised to surrender to Liu Bang under Li Zhiqi Chen's words, and had given up his preparations and defenses against the Han army, and had originally planned to give up preparations to launch an attack on the State of Qi, but was enlightened by his adviser Pu Tong and gave up the idea of not intending to attack the State of Qi.
Ku Tong's original name was Ku Che, because he avoided the name of Emperor Wu of Han and changed it to Ku Che, he told Han Xin that he must not give up the idea of attacking the State of Qi, Li Zhiqi took more than seventy cities and pools of various countries in a few days, relying on three inches of uncorrupted tongue, and the general took more than a year to break through more than fifty cities and pools of the Zhao State, in contrast, the general not only did not have the great merit of Li Sheng, but also was simply a great irony of the general's war! If the general wants to be spared this humiliation, he should pretend not to know anything, launch an attack on the state of Qi without stopping, and use the destruction of the state of Qi to compete with Li Sheng, Han Xin thinks that Ku Che is reasonable, and must not give Li Zhiqi and himself the opportunity to compete for credit, so he suddenly launched an attack on the state of Qi on the grounds that the king of Han did not inform him, he himself did not know, and the poor qi army had no defensive preparations at all, and was defeated by Han Xin's army, until the large army approached the city, and the king of Qi thought that he had been eaten by Li Qi. Indiscriminately cooked and killed Li Shiqi.
Han Xin's strong attack on the State of Qi was entirely due to the fact that he was fighting with Li Shu for his merits, so he desperately attacked the State of Qi and made the King of Qi dumbfounded
Ba Fu also sent Li Zhiqi to the Western Heavens.?