| http://www.w3.org/ns/prov#value | - There are so few cases of people without a history of war that when the cross-cultural anthropologists Mel and Carol and Ember set out to examine the ethnographic record for predictors of warfare, we could not compare societies with and without war to see how else they might differ, because there were too few unpacified societies without war (quotation from Making the World More Peaceful (Ember
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