Why does exogamy,the practice of seeking a husband or wife outside one's own kin group,have adaptive value outside of biological concerns?

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Exogamy creates new social ties and alliances, which provide access to more resources and social networks. This can be particularly important in situations where resources are scarce or distributed unevenly. By marrying outside of one's own kin group, individuals and their families can establish relationships with others who may have access to different resources or social connections, which can be beneficial in both the short and long term. Exogamy can also promote cultural exchange and diversity, which can lead to greater innovation and adaptation within a society.

Why Does Exogamy,the Practice of Seeking a Husband or Wife