War has played a major role in human history, whether war is raging or not. During peace-time the military prepares for war, while society absorbs the cost. Some theories consider war to be an integral part of the essence of humankind while others consider war to be the result of specific economic or ecological conditions. Philosophers have wrestled with the concept of being “human” for centuries. Do we have an essence, a nature, which causes us to start wars and . . .