In earlier years,
actually between Yan and Chu, there wasn't much deep hatred, because even if they wanted to hate, they couldn't reach each other.
The strong stance of the Yan State over the past hundred years has suppressed the Jin State, which could only obstinately claim that its knights were not inferior to the Yan people, while internally remaining anxious;
The Qian people were even more outrageous, not only frightened enough to spend huge manpower and resources to build a series of fortresses at the three borders, but they also forcibly diverted the Qian River to dig out the Bian River to shield their capital and block the Yan cavalry.
As for the Chu State, successive Chu Emperors would occasionally shout a few slogans to show their presence and then continue annexing the Shanyue or swallowing smaller neighboring countries, and when they were tired, they would come out again to shout a few times.
