According to the Stockholm International Peace Research Institute (SIPRI), worldwide military expenditures have been growing annually for the past 15 years, and between 15 and 20 major armed conflicts--yes, wars--are in progress as you read this. All told, upward of 175 million people died in war-related violence during the 20th century, plus another eight million because of conflicts among individuals.
Even so, according to a weighty new book, The Better Angels of Our Nature: Why Violence Has Declined (Viking Adult, 2011), by Harvard University psychologist Steven Pinker , the "better angels" of human nature have actually brought about a dramatic reduction in violence during the past few millennia. Yes, the absolute number of victims has been rising, but relative to the world’s population, the numbers look good.
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