China's development is a rule of chaos, one step at a time. In the Eastern Zhou Dynasty, the end of Han Dynasty, the end of Song Dynasty and the end of Ming Dynasty, the unified system weakened and split, which provided conditions for diversified development. Unity is the quantitative change of development, and diversification of differentiation is for qualitative change. In fact, both unity and division are progressing. In a sense, division is more important, because qualitative change is more critical.
Of these four points, the Chinese nation gained the most for the first time because there was no all-round struggle of barbarians. During the split Spring and Autumn Period and the Warring States Period, it became the most brilliant chapter of China culture. Almost all the greatest thinkers in China were born in this period, so the number 4 was divided into one.
Behind the unity and separation
With the expansion of production scale and the increasingly developed commerce in Ming Dynasty, there was an obvious industrial agglomeration and division of labor. Whether it is coal, metallurgy, shipbuilding heavy industry, or silk, cotton cloth, porcelain and other light industries, they are far ahead in the world, accounting for more than two-thirds of the world's output.
With the economic base shifting from small farmers to industry and commerce, the superstructure has also undergone subtle changes. A considerable number of scholar-officials in the Ming Dynasty believed that the achievements of industry and commerce were equivalent to learning and value acquisition. The phenomena of "following Jia to Confucianism" and "abandoning Confucianism to Jia" also began to appear.