Why did Confucianism became popular among Chinese leaders?

Confucianism became popular among Chinese leaders because it emphasized social harmony, ethical governance, and the importance of moral leadership. Its teachings promoted a well-ordered society through the cultivation of virtues like filial piety and respect for authority, aligning with the needs of an expansive and hierarchical state. Additionally, Confucian ideals provided a framework for education and civil service, which helped to create a bureaucratic system that ensured effective administration and stability. This blend of moral philosophy and practical governance made it appealing to rulers seeking to legitimize their authority and maintain social order.