So the country's politics is constantly breathing fresh air, and the social class is no longer solidified, but constantly flowing. Students born in poverty, once they enter the official career, will convey the voice of the bottom, push the government to carry out reforms, and the national society will have the ability to repair itself. Later generations continued and perfected the imperial examination system, which became a major factor to keep the vitality of China society forever.
Extended data
In the Tang Dynasty, the family background was fairly well-off, so a large number of candidates came from a noble family, such as Wang Wei, who was born in Taiyuan royal family since Wei and Jin Dynasties. Wang Wei did almost nothing in politics, even didn't go to work very much, and finally achieved the high position of Shangshu Youcheng, which was not unrelated to his family background.
The advantage of family background is that it is influenced by officialdom experience and family training since childhood, so when it comes to state affairs, it is more atmospheric and generous.
After the chaos of the late Tang Dynasty and the Five Dynasties, there were few original families left, so most of the candidates in the Song Dynasty were born in poverty, and their purpose of studying and doing scientific research was very clear, that is, changing their ways and honoring their ancestors.
Moreover, most of them have no family training, so when they become officials, they tend to think more about themselves and less about the country. Plus, I was wearing a yellow robe in front of the temple, and the entire Zhao and Song royal families were not atmospheric, so the Song Dynasty was a little petty. Throughout the Song Dynasty, there was only one truly courageous civilian, Wang Anshi.