by, John J White III Originally published in MES. The book World Trade and Biological Exchanges Before 1492 by John L. Sorenson and Carl L. Johanessen is now available. Collectively it represents a slam dunk victory for the historical interpretation of cultural diffusionism over the opposing interpretation of cultural isolationism. This is a major event Read More
![](https://ancientamerica.com/wp-content/uploads/2015/03/photo-3-e1425764035421-1200x819.jpg)