[Qin Dynasty Reform Article] As the first unified country in China, the Qin Dynasty fell quickly and completely. The root cause was that the internal shortcomings of the Qin State were too serious, and after annexing the world, it could not be supplemented by reasonable supporting policies. As for the Great Qin Empire, it is like a dream of Qin Shi Huang. When the First Emperor collapsed, the world was torn apart.