4 ms·
Where are you getting this data from?
by pluckytree 11y ago
Where are you getting this data from?
- wpaladin 11y agoMuch has been written on the topic. Here's a fairly decent book. http://www.amazon.com/War-Before-Civilization-Peaceful-Savage/dp/0195119126 http://www.amazon.com/War-Before-Civilization-Peaceful-Savag...