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In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.

Confucianism, also known as Ruism, is described as tradition, a philosophy, a religion, a humanistic or rationalistic religion, a way of governing, or simply a way of life. Confucianism developed from what was later called the Hundred Schools of Thought from the teachings of the Chinese philosopher Confucius (551–479 BCE), who considered himself a retransmitter of the values of the Zhou dynasty golden age of several centuries before. In the Han dynasty (206 BCE – 220 CE), Confucian approaches edged out the "proto-Taoist" Huang-Lao, as the official ideology while the emperors mixed both with the realist techniques of Legalism. The disintegration of the Han political order in the second century CE opened the way for the doctrines of Buddhism and Neo-Taoism, which offered spiritual explanations lacking in Confucianism. Question: Who was an early ethical egoist alternative to the philosophy also known as Ruism? Answer: Yang Zhu
Output:
Confucianism, also known as Ruism, is described as tradition, a philosophy, a religion, a humanistic or rationalistic religion, a way of governing, or simply a way of life.