CNN Fareed Zakaria GPS April 27, 2014 17:37:00
Paradoxical, but in a weird way, war has driven processes that have made the world a less violent place over the very long term. >> explain that. youre saying war makes peace. >> yes, which sounds completely insane. but the way it seems to have worked is, if you go back 15,000 years, the end of the ice age, and a farming begins, populations begin to grow very rapidly, and before that if two bands of hunters and gatherers, got into a fight with one another the losing band has the option of moving...
Source: archive.org