How do humans build kinship ties between two people who are not their immediate biological kin?

Question

Quizplus · Accepted Answer

Marriage is a socially recognized and sanctioned form of kinship tie that allows individuals to build relationships with people who are not their immediate biological kin. Marriage creates a legal bond between two individuals, often involving broader social and economic ties between their families and communities.

How Do Humans Build Kinship Ties Between Two People Who