One rule of exogamy is the requirement that we marry someone of the opposite sex. Until recently, this was taken for granted. Why is this important for society?

Question

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Exogamy is a social arrangement that requires individuals to marry outside of their own social group. The requirement to marry someone of the opposite sex is important for society because it ensures reproduction and the continuation of the species. Without this requirement, there would be a decline in the population, which would have serious consequences for society as a whole. The other options are not correct as discrimination and miscegenation are not justified by this rule and creating an opening for homosexual marriages is not the primary purpose of exogamy. The sanctity of marriage may be maintained through various other rules and practices within a cultural context, but it is not the primary purpose of exogamy.

One Rule of Exogamy Is the Requirement That We Marry