Why didn't Qin Shi Huang conquer Wey?

The reason was that the Chu were never able to make the deep Legalist reforms that Wei, Qin and others did. ... Thus the reason why Qin Shi Huang was the one to conquer the Warring States, was that Qi, Chu, Zhao, Wei were all unable to compete with Qin. Also .... China united because China didn't want any more wars. read more

I am assuming you are asking the “kingdom” of Wey (衛). Two reasons. First, Wey ever since being conquered by northern barbarian Di (狄) in ~650 BC, Wey was only a shadow of its formal self. read more

Qin Shi Huang was the first emperor of a unified China. He is famous for the terracotta army, and for beginning work on the Great Wall of China. Qin Shi Huang was the first emperor of a unified China. read more

Qin Shi Huang died while traveling on a tour of Eastern China in 210 BC. His second son, Huhai, was on the trip with him. He wanted to become emperor, so he hid his father's death and forged a letter from his father to his older brother telling him to commit suicide. After his brother killed himself, Huhai became emperor. read more