How did China's people-oriented thought form and develop during the Spring and Autumn Period and the Warring States Period?

During the Spring and Autumn Period and the Warring States Period, China's social economy changed greatly from slavery to feudalism, and it was also an era of letting a hundred flowers blossom and a hundred schools of thought contend.

Among them, the legalist Guan Zhong first put forward the concept of people-oriented. He said: "The beginning of the husband's overlord is also people-oriented, and the country is solid if it is rational, and the country is in danger if it is chaotic." At the same time, it is recorded in the Eight Lines of Guanzi that Guanzi said to Qi Huangong, "If you want to bully people, do something big?" Then you must follow its skills. Qi Huangong changed course, moved his seat and asked, "What is it?" ? Guan Zi said to him, "The people of Qi are the foundation of the country. "This is people-oriented. People-oriented here is the combination of etiquette and law of legalists representing the new feudal class and the reflection of Confucian people-oriented thought.