21. If you live in a society that practices exogamy, you must: a. Have more than one husband or wife. b. Get married (no one is allowed to be a single adult). c. Marry someone of your own social group. d. Marry someone of a different social group.
Exogamy is the social norm of marrying outside one's social group. The group defines the scope and extent of exogamy, and the rules and enforcement mechanisms that ensure its continuity.
