Why do you say that China has been in the same boat for three thousand years

In 22 1 BC, when Qin Shihuang unified the state of Qin, the idea of great unification came into being, and the idea of great unification of the Chinese nation was formed. After the peasant uprising, to the establishment of the new dynasty, it experienced great waves and sand scouring, Qin, Han, Yuan, Ming and Qing dynasties, as well as wars of foreign aggression and liberation. After the founding of China, the reform and opening up, ups and downs, ups and downs, ups and downs. * * * For more than 3,000 years, China has been in the same boat for 3,000 years.