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Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
In The Better Angels of Our Nature: Why Violence has Declined, psychologist Steven Pinker cites mean ratios of war (battle) deaths suffered annually per 100, 000 individuals as evidence for concluding that people who live in states are...
Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
