In nearly all historical battles prior to the age of Napoleon, the serf who looked down his spear or musket at the enemy saw another hapless serf very much like himself, and we can understand that he was not particularly inclined to kill his mirror image. And so it is that the great majority of close-combat killing in ancient history was not done by the mobs of serfs and peasants who formed the great mass of combatants. It was the elite, the nobility, who were the real killers in these battles, usually in the pursuit phase after the battle, on horseback or from chariots, and they were enabled
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