There have been fairly cogent cases made elsewhere that having too many young unmarried men in a society is a setup for international aggression. For example:

There have been fairly cogent cases made elsewhere that having too many young unmarried men in a society is a setup for international aggression. For example: http://mitpress.mit.edu/catalog/item/default.asp?ttype=2&tid=10694 http://mitpress.mit.edu/catalog/item/default.asp?ttype=2&#38... Hudson and den Boer argue that this surplus male population in Asia's largest countries threatens domestic stability and international security. The prospects for peace and democracy are dimmed by the growth of bare branches in China and India, and, they maintain, the sex ratios of these countries will have global implications in the twenty-first century.