A society that has more men than women—particularly young men, is often associated with crime or violence. The historian David Court-wright has argued that one reason America is relatively violent, compared to Europe, is the legacy of a male surplus. Until World War II, the United States was disproportionately male, and the frontier was overwhelmingly so. The result, he suggests, was a tradition of aggressiveness, short tempers, and violence that still echoes in America’s relatively high homicide rates. The same analysis, while controversial, may also help explain why male-dominated Muslim
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