Before the three families were divided into Jin, how powerful was the Jin state?
To tell the truth, before the three families were divided into Jin, they really did not feel that the Jin state was particularly strong. After all, among the five hegemons of the Spring and Autumn Period, the Jin state is only one of them, and the Jin Wengong of the Jin state has been the overlord once.
The State of Qin, the State of Chu, and the State of Qi were also powerful and hegemonic. From this point of view, Jin Guo has nothing to show off.
However, the existence of the Jin state at that time was very necessary, and it can be said that the existence of the Jin state could contain the power of the Qin state and prevent the Qin state from advancing eastward.
Why did the Qin state only expand to the west and south when it opened up its territory, it was because there was a Jin state in the east, and if he wanted to occupy the land in the east, it was impossible to cross the Jin state.
If the Jin state existed, it would be impossible for Yingzheng to unify the world. Because the strength of the Jin state was impossible for the Qin state to challenge.
At the same time, the Jin State can also contain the power of the Chu State!

The State of Chu was also a great power, and the State of Chu was not a peaceful state, and they often encroached on neighboring countries. During the reign of Duke Wen of Jin, he led some states in the Central Plains to defeat the State of Chu several times, effectively curbing the invasion of the State of Chu to the north.
As long as the Jin state existed, the Chu state and the Qin state did not dare to think too much.
In fact, it makes people feel that the real strength of the Jin state began after the division of the Qin state. We all know that the Jin dynasty was divided between the Han, Zhao, and Wei families.
The division of the Han, Zhao, and Wei families into jin also marked the arrival of the Warring States period. As soon as Han, Zhao, and Wei became independent vassal states, they were listed among the Seven Heroes of the Warring States, and it can be said that they were kings when they first became princes.
Among them, Wei Guo was the hegemon from the beginning.
Being able to become the overlord of the Seven Heroes of the Warring States is still very cattle.
We all know that Wei Wenhou used the Wu Qi transformation method to make the State of Wei stronger, and the State of Wei became the most powerful of the seven countries.
Later, there was the rise of the Qin State!
The State of Qin was the use of the Shang Martingale Transformation Law during the Qin Xiaogong period to make their country stronger, and the reason why Qin Xiaogong wanted to change the law was that he had been bullied by the State of Wei.
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However, even if the Qin State rises, the Qin State has not formed an absolute dominance, and it can be said that the power of the Zhao State has always been no different from the Qin State. Especially in the period of King Wuling of Zhao, he had the idea of destroying Qin.
However, in the end, he chose to abdicate in his prime. After King Wuling of Zhao, it was the era of King Huiwen of Zhao.
During this period, the famous generals Li Mu and Lian Po of the Zhao State!
During the reign of King Huiwen of Zhao, we all know the story of Lin Xiangru's return to Zhao, why Lin Xiangru was able to complete the return of Bi to Zhao, and even teased King Zhaoxiang of Qin, in fact, behind it was the strong national strength of the Zhao State. If the State of Zhao had been a small country, King Zhaoxiang of Qin would have been mad long ago.
Even after the Battle of Changping, the State of Zhao was killed by more than 400,000 soldiers by the State of Qin, but the State of Zhao could still fight with the State of Qin, and even later Li Mu led troops to defeat the State of Qin.
This is the power of the Zhao State.
When it came time for Yingzheng to destroy Zhao, Wang Qi did not dare to fight hard with Zhao Jun, but directly chose to use the divisive strategy to get rid of Li Mu.
This shows that the Zhao army at that time was still very strong and could fight with the Qin army.
The strength of the State of Wei and the State of Zhao, in turn, can be seen how cattle the State of Jin was at that time. However, the Jin state still went into decline and was divided up by people with foreign surnames.
The only blame for this is the collapse of the lile at the end of the spring and autumn, and everyone does not do things according to the rules. Emperor Dazong of jin was defeated by Xiaozong, and then Xiaozong killed all of Emperor Dazong's population.
Emperor Dazong was the one who inherited the title of Marquis of Jinguo, and Emperor Xiaozong was Emperor Dazong's brothers, who had no right to inherit, but they moved against Emperor Dazong.
In the end, Xiaozong seized the right to rule the Jin state, because too many nobles in the Jin state were killed, especially the massacre of their own people, in this case, their own people were not enough, and they had to use people with foreign surnames to control the military of their country. In the end, Han, Zhao, and Wei became the winners, and they divided up the Jin kingdom.
There is no doubt that if the Jin state is not divided, the Qin state will definitely not be able to unify China. However, history is so uncertain, the Jin state is divided into Han Zhao Wei, and the Qin state has a way to go east and defeat them one by one. It can only be said that even the heavens are helping the Qin Kingdom to unify the world!