Final answer:
Confucianism, emphasizing filial piety and respect for authority, was the philosophical belief incorporated in Chinese daily life by the Han dynasty to promote social order.
Step-by-step explanation:
A. Confucianism emphasizing filial piety and respect for authority was the philosophical belief incorporated in Chinese daily life by the Han dynasty to promote social order. Confucius believed in an ordered, hierarchical society where people knew their place and followed moral responsibilities based on their relationships and social roles. Confucian teachings emphasized the importance of respecting authority figures, such as parents and rulers, and practicing filial piety.