The Han Dynasty emperor who advocated the following of Confucianism is A. Wu. Emperor Wu, also known as Han Wudi, ruled during the Western Han period from 141 to 87 BCE. He strongly embraced Confucianism as the guiding philosophy of his administration.
Under Emperor Wu's rule, Confucianism became the official state ideology and was promoted as the moral and ethical foundation of the government. He established Confucian schools and encouraged the study of Confucian texts, such as the "Analects" and the "Book of Songs," among government officials and the general population.
Emperor Wu's belief in Confucianism influenced his policies and governance. He focused on promoting social harmony, moral values, and filial piety, which are central tenets of Confucianism. He also implemented merit-based civil service exams to select officials based on their knowledge of Confucian teachings.
In summary, Emperor Wu of the Han Dynasty advocated the following of Confucianism and made it the state ideology, promoting its teachings and values throughout his reign.