What Was The Columbian Exchange Zrom
{"Image DocumentName": "The Columbian Exchange", "Image ImageDescription": "For tens of thousands of years, the New World and the Old World had been biologically separate. The Columbian Exchange. Exchange of animals, plants, human populations (including slaves), communicable disease, culture, & ideas between the American and Afro-Eurasian Hemispheres following the voyage to the Americas by Christopher Columbus in Term was coined in 1972 by Alfred W. Crosby, a historian at the University of Texas at Austin, in his work of environmental history.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}