C54

I've mentioned this to a few antique bosses before. Their guess is that Qin Shi Huang created the first feudal dynasty in history, and that he didn't allow any rebellious thoughts to exist.

However, the majority of the citizens of the six nations who had been annihilated by Qin Dynasty were still nostalgic towards their homeland. They often knew how to sing Chu Zhaoge, Zhao Ge, and so on