Let's say that Li Xin's troops were defeated and fled, the king of Qin asked the veteran general Wang Jian to go out of the mountain, and Yingzheng poured the strength of the whole country to gather enough 600,000 troops to hand over to Wang Qian, and when Wang Jian sent troops to enter Chu again, the Chu army had a little respite, and Xiang Yan also recruited 500,000 soldiers and horses, raising the strength of the whole country to resist the Qin army. The two knew very well that the success or failure of this battle was related to the fate of the two countries, and neither dared to take it lightly. Wang Jian analyzed the situation and believed that the Qin army had traveled a long distance and had a large number of soldiers, so it was not suitable for a quick battle, on the other hand, the Chu army had strong morale and was aggressive, and it was not appropriate to fight hard against hard,-for-tat, but led an army of 600,000 troops to calm the public opinion, lengthened the battle line, and did not move the soldiers, focusing on training, teaching soldiers to run and jump long jump, exercise, eat and drink well, and often went deep into the barracks, concerned about the soldiers' diet and daily life, asked for warmth in the cold, and never mentioned the war, no matter how the Chu army shouted, stuck to the camp, and did not allow the Qin soldiers to take the initiative to meet the battle.

In this way, the Chu army was puzzled, looking at the 600,000 horses of the Qin army, the strength was far higher than its own, but it had been avoiding the war and could not retreat, so the confrontation lasted for a year. At that time, the Qin State had destroyed the princes and the four kingdoms early, and the grain and grass were continuously transported from the countries to the Qin camp, and the rear of the Qin army was fully guaranteed, Wang Jian was not worried, for a year, the Qin soldiers were raised in vain and fat, strong and healthy, and the whole body was full of muscles, and the huge team of the Chu army, the logistics supply could not keep up, the internal friction was serious, the Chu army could not fight for a long time, and there were many grievances, and the Chu army finally couldn't stand it and began to retreat eastward. At this time, Wang Jian took advantage of the slackness of the Chu army and ordered the entire Qin army to dispatch and launch a general attack on the Chu army. The long-term stalemate without fighting not only exhausted the grain and grass of the Chu army, but also exhausted the sharp spirit of the Chu army, the Chu army was in turmoil, Xiang Yan and the Qin army only fought, and immediately suffered a crushing defeat, half of the Chu soldiers were slaughtered, half surrendered and became prisoners, only a small part was able to escape, 500,000 Chu troops disappeared in this way, turned into nothing, Xiang Yan felt shameless to face the people of Chu State, and committed suicide with hatred.

But said that before Xiang Yan committed suicide, seeing that the hundred-year-old society of Chu State was about to be destroyed, and tens of millions of living beings would eventually die tragically under the iron hooves of the Qin people, as a Chu person, he commanded 500,000 soldiers and horses but was defeated, and ruthlessly killed the heavy trust and ardent hope of the people of Chu State, and felt deeply ashamed in his heart, his eyes were full of bitter tears, and he was sad, and shouted: "Although Chu has three households, the death of Qin will be Chu", so he voluntarily died, the sky suddenly flashed and thundered, the wind was fierce, and then it poured rain, which seemed to be uneven for Xiang Yan. The eight-character prophecy reached the ears of the Qin soldiers, and the soldiers were terrified, causing a riot, and Wang Jian comforted the soldiers and said: "This is the Chu people's gossip to confuse the people, dying and struggling, everyone doesn't have to take it seriously, the Chu State will be broken soon", and the army's heart was stable.

Wang Jian defeated the Chu army this time, almost wiped out all the forces of the Chu State, the Qin army took a short rest, and turned to attack the Chu capital Shouchun, which easily broke the city in a few months, captured the king of Chu, and used the king of Chu as a shield to continue to attack the king of Changping in the east.

Let's say that Changping Jun Xiong Qi, the son of Chu State, his mother is the princess of Qin, and his maternal grandfather is King Zhaoxiang of Qin. Later, Li Xin led his troops to attack the state of Chu, unwilling to be bullied by the Qin people, and finally found out in his conscience, plotted against Qin, fled back to the state of Chu, and helped Xiang Yan defeat Li Xin, and his prestige was greatly enhanced. Soon after Li Xin's defeat, Wang Jian led the Qin soldiers to make a comeback, Xiong Qi still fought side by side with Xiang Yan to resist the Qin army, the two armies were deadlocked for more than a year, after the defeat of the Chu army, Xiang Yan committed suicide, Xiong Qi fled to Guangling, and with his prestige, he gathered and formed a righteous army of 200,000 people, and the Xiang family continued to resist the Qin army. When Wang Jian broke through Shouchun, the king of Chu was captured, and the righteous army supported Xiong Qi as the king of Chu, and Wang Jian personally led a large army to fight Xiong Qi.

Wang Jian advanced all the way, after arriving in Guangling, ordered the Qin soldiers to attack by land and water, Changping Jun Xiong Qi struggled to resist for several months, after all, he could not resist Wang Qian's army, he was killed in the war, and finally came to the end of his life, the army of 200,000 was almost wiped out, only a few people fled, and the descendants of the Xiang family avoided the pursuit of the Qin army.

After this battle, Wang Jian basically wiped out the living force of the Chu State, and the Chu State was completely unable to fight against the Qin army, and then Wang Jian cleaned up the mess and captured dozens of other cities of the Chu State almost effortlessly, and the following year, the flag of the Qin State was fluttering on the land of the Chu State, so far all the territory of the Chu State was included in the territory of the Qin State. As early as when Wang Jian defeated Changping Jun, the battle situation of Qin and Chu had been decided, Wang Ben thought that it was useless to stay, and asked his father Wang Jian to return to Qin, and then was ordered by the King of Qin to sweep away the remnants of Yan Zhao, Wang Ben sent troops, successively attacked Yan's Liaodong, Zhao's Daidi, captured Yan Wang Xi, Dai Wang Jia, and Yan Zhao were completely destroyed. Subsequently, the state of Chu fell, and Wang Jian led the army back to Qin in triumph.

Wang Jian eliminated the most powerful Chu state of the six kingdoms of the princes, Qin Wang Yingzheng was overjoyed, rewarded everyone, and waited for the Qin soldiers to recuperate for a period of time, Yingzheng immediately ordered Wang Jian to go out again to eliminate the last Qi State, Wang Jian knew the truth of "the cunning rabbit died and the good dog cooked, and the birds were good and the bow was hidden", and also knew the Qin king's heart, and deduced that he was old and sick, and pleaded with the old man to return to his hometown.

However, it is said that Wang Jian is a high master, but he can always keep a clear head, recognize the situation, retreat bravely, not greedy for fame and fortune, and his extraordinary wisdom is beyond the reach of the world.

But said that the state of Chu was destroyed, and the six kingdoms of the princes were left with only a weak state of Qi, Qi Wangjian was deeply frightened, before the Qin State sent a large number of spies to be placed around the King of Qi, and bought the important ministers around the King of Qi with a lot of money, bewitching the King of Qi, Qi Wangjian listened to the slander, did not want to forge ahead, and thought that the Qin State would not attack him, so he has been attached to the Qin State, not on guard, and the illusion that he will always be friendly with the Qin State, when the Qin State attacked other countries, he sat back and did not help, and at this moment saw the Qin army surging, so he hastily gathered soldiers and horses, gathered in the west of the border, and intended to resist the Qin army。

However, it was said that Wang Ben was ordered by King Yingzheng of Qin to still lead 100,000 troops to attack the State of Qi, and the surname also went out with Wang Ben. Wang Ben led the army to the Qi State, judged the situation, did not attack from the west frontally, leaving some men and horses to bluff and confuse the enemy, but he avoided the main force of the Qi army, led a large group of men and horses to quietly detour to the north of the Qi State, crossed into the Qi border from the south of the Yan State, took advantage of the weakness, and approached the Qi capital Linzi. The Qi army had no intention of responding to the battle, but when they saw the Qin army coming in an instant, they were caught off guard, caught off guard, and made a mess, the Qin army was invincible, and the Qi army quickly collapsed. Qi died, and Wang Benkai returned to the dynasty.

At this point, since the Spring and Autumn Period, the situation of more than 500 years of division and dispute between the princes has ended, and the world has been unified and the four seas have returned to their hearts. King Yingzheng of Qin destroyed the six countries, thought that his merits overshadowed the three emperors and five emperors, adopted the title of emperor, proclaimed himself the first emperor, and ordered Li Sihe to engrave eight seal characters on the face of "Ordered by the sky, both by Yongchang", and engraved with "Double Dragon Play Bead Pattern", which means that the country will be passed on for all generations. The book is the same text, the car is on the same track, the unity is measured, the north is the north to attack the Xiongnu, the south is to conquer the Baiyue, the Great Wall is built, and the water system of the Lingqu is communicated, which is well known to the world.