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Research shows that the wealthier, more educated, and healthier a nation, the less violence and civil unrest among its populace, and the less likely that unrest will spread across its borders.

Peter H. Diamandis, Steven Kotler (2014). “Abundance: The Future Is Better Than You Think”, p.10, Simon and Schuster
Research shows that the wealthier, more educated, and healthier a nation, the less violence and civil unrest among its populace, and the less likely that unrest will spread across its borders.