Did This Ancient Civilization Avoid War for 2,000 Years?

The Harappan civilization dominated the Indus River valley beginning about five thousand years ago, many of its massive cities sprawling at the edges of rivers that still flow through Pakistan and India today. But its culture remains a mystery. Why did it leave behind no representations of great leaders, nor of… » 6/24/14 6:22pm 6/24/14 6:22pm