On 4/16/2014 2:10 PM, LizR wrote:
On 17 April 2014 07:58, Stephen Paul King <[email protected] <mailto:[email protected]>> wrote:

    Polygamy is common for most mammals....


Because most mammals don't extend their range from Africa to the Arctic. As I said, there's a tendency towards polygamy in hot countries, but it wouldn't work for humans in cold ones because more parental investment is required to rear offspring successfully.

But even where the living is easy, polygamy creates the problem of young men without women - which tends to be socially destabilizing and favors raiding and warfare. Even in the muslim nations where a man can have as many as four wives, polygamy tends to be rare except where there is a lot of tribal warfare. In Utah where there are fundamentalist Mormon towns, boys sadly tend to be forced out on their own in their early teens.

Brent

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