This shouldn’t come as any big surprise, but the world’s largest anthropological society says that civilization does not in fact depend on limiting marriage to one man and one woman.
The results of more than a century of anthropological research on households, kinship relationships, and families, across cultures and through time, provide no support whatsoever for the view that either civilization or viable social orders depend upon marriage as an exclusively heterosexual institution. Rather, anthropological research supports the conclusion that a vast array of family types, including families built upon same-sex partnerships, can contribute to stable and humane societies.
The Executive Board of the American Anthropological Association strongly opposes a constitutional amendment limiting marriage to heterosexual couples.
So maybe we can drop that line of attack on gay marriage? Nah, didn’t think so.