Written language: The Han dynasty promoted the use of standardized written Chinese characters, which helped unify the written language and facilitate communication across the empire.
Confucianism: The Han dynasty adopted Confucianism as the official state ideology, which emphasized values such as loyalty, filial piety, and respect for authority. This helped to create a more stable and orderly society.
Calendar: The Han dynasty developed a new calendar, which was more accurate than previous calendars and helped to regulate agricultural activities.
Music: The Han dynasty standardized musical instruments and notations, which helped to create a more unified and cohesive musical culture.
Art: The Han dynasty promoted certain forms of art and literature, which helped to create a more unified cultural identity.
Bureaucracy: The Han dynasty established a sophisticated bureaucratic system, which helped to administer the empire effectively.