The practice of requiring an individual to marry someone within their own group is considered:

Question

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Endogamy is the practice of requiring an individual to marry someone within their own group, such as their own ethnicity, religion, or social class, while exogamy is the practice of marrying outside of one's own group. A androgamy combines both male and female gender traits, while polygamy involves having multiple spouses.

The Practice of Requiring an Individual to Marry Someone Within