1.1 america before columbus (10,000 bce - 1491 ace) how did native americans live differently in north america vs in central and south america? how did human beings come to live in the americas? what technologies were available to native americans before contact? what were the most developed native societies in the americas? why? what kind of political organization did meso-american civilization have? what was native agriculture like? what united different groups / tribes of native americans? (had in common) what role did gender play in native american society? what new developments were taking place in native society in the last few centuries before european contact?