Link:

Extraction code: tpeq family is the most basic cell of society and the most basic unit of society composed of marriage, consanguinity or other kinship. This unit has rich family activities of relatives and friends; There are common economic activities among members; There are also social activities with deep feelings. Marriage system is the product of the development of social productive forces to a certain level. The development level of social productive forces restricts the nature, form, structure, function, ethics and value orientation of families in many aspects. In feudal society, people lived in groups with various kinship relationships and formed a clan family.