Why is the Spring and Autumn Period and the Warring States Period the formative period of China traditional culture?

The Spring and Autumn Period and the Warring States Period are the development periods of China's traditional culture, the Qin and Han Dynasties are the formation periods of China's traditional culture, the Wei, Jin, Southern and Northern Dynasties are the diversified development and integration periods of China's traditional culture, and the Sui, Tang and Five Dynasties are the prosperity periods of China's traditional culture. The Song and Yuan Dynasties witnessed the continuous development of China's traditional culture, and the period from Ming Dynasty to the middle of Qing Dynasty (1840 years ago) witnessed the summary of China's traditional culture. During the Spring and Autumn Period and the Warring States Period, the transformation from well field system to private ownership of land was realized, and the self-sufficient small-scale peasant economy became the main mode of production. Completed the transformation from enfeoffment system to centralized and unified country, and the county system became the basic local administrative system in ancient China; Confucianism, Taoism and law are pregnant with morality, philosophy and reform ideas, and form the benchmark of China traditional culture.