One thing I found interesting about the book 1491 New Revelations of the Americas Before Columbus were claims that there were some tribes more advanced around t

One thing I found interesting about the book 1491 New Revelations of the Americas Before Columbus were claims that there were some tribes more advanced around the Amazon than many would commonly think. Of course after first contact, who knows what exactly happened to the people in the area. It has never been exactly well developed even today.