What impact did Confucius have on Ancient China?

Confucius created the Confucianism which is the cornerstone of traditional Chinese culture as well as a complete ideological system, based on the traditional culture of the Xia, Shang and Zhou Dynasties. It has dominated a feudal society that in essence has lasted 2000 years and for that reason its influence over the history, social structure and the people of China cannot be overlooked.