Final answer:
During the Han Dynasty, obedience and devotion to parents and grandparents was called Filial Piety.
Step-by-step explanation:
During the Han Dynasty in ancient China, obedience and devotion to parents and grandparents was called Filial Piety. This concept was deeply ingrained in Confucian philosophy, which emphasized the importance of family and hierarchical relationships.
Learn more about Filial Piety in the Han Dynasty