On the development of unilineal descent

Journal of Anthropological Research Vol/Iss. 30 Published In Pages: 69-94
By Ember, Carol R., Ember, Melvin, Pasternak, Burton


". . . societies with internal warfare would tend to have at least one level of unilineal descent group typically contiguous, whereas societies with purely external warfare would not be as likely to have contiguous descent groups" (78)


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