一清二楚不遮不挡全过程

Let me tell you, that is Qin, Chu, Yan, Han, Yue, Wei, Qi! There are seven countries in total. It was Qin that finally unified the world, and the king of Qin was called Yingzheng. He unified the world and was called the First Emperor because he was the first person to change the monarch into an emperor. You believe it now, huh....