Can you imagine yourself ending another human life? Not because they slighted you personally or because they were an immoral person, but because they happened to be on the other side of a conflict. For probably most readers, this sounds unfathomable. However, violent conflict, and the killing of others just because they are seen as the enemy, is endemic throughout human history. As you can find out by watching any world news segment, it continues to be a major issue across the world today, increasingly so in places like the U.S.