I was just watching a documentary about the first civilizations that states that for 99% of humanity's time on Earth, we were hunter/gatherers, pretty much doing the same things for the whole time. Then we began to settle down with our patches of grain, with herding animals instead of just following them. We discovered metallurgy... Squabbles became better-armed and graduated from fisticuffs to raids to wars... Conquest for control of resources--food and materials, work force, mates--led to the... Sign in to see full entry.