Gee, I thought Mesa Verde was pretty cool. And Chaco Canyon, and Cahokia. American civilizations got to Bronze Age, perhaps. Maybe in a few hundred or thousand more years they'd have discovered iron and the wheel and evolved to levels comparable to Eurasian civilizations. read more
Great civilizations I BELIEVE WERE HIGHLY INFLUENCED BY ALIENS that thought it would be easy to get the people in certain areas of the world to do things and build things for them. These people already had some type of a soceity that the aliens saw. In North America it was a different story. read more
It's a myth that there were no civilizations in America. There were many, maybe not as advanced as some in the old world, but they weren't all stone age hunters and gatherers either. North American Indians had vast trade networks, deep religious practices, political systems, languages, and criminal justice systems. read more
North Americans were severely delayed in accessing this crop, thanks to the isolation of Mexican centers of population from North America. The arrival of maize in the Mississippi Valley, where it could be grown on a large scale, sparked the rise of the Mississippian civilization c. 1000. read more