War and Civilization Empires and Armies

http://youtu.be/Ai8fL6agCQQ
Narrated by Walter Cronkite, each episode of War & Civilization takes an in-depth look at the history of war, seemingly one of humanity's favorite pastimes. Based on the work of noted historian John Keegan, each entry is the history of an important development in the evolution of armed conflict from technological breakthroughs to tactical innovations. In this episode, viewers investigate how China and Rome built their empires on a base of conquest and ruinous war.