History & Social Studies
What were the positive and negative effects of the Columbian Exchange?
Creating America: A History of the United States, McDougal Littell, 2005, page 75
Creating America: A History of the United States, McDougal Littell, 2005, page 75
Negative:
• transfer of germs
Positive:
• new plants, animals, and livestock
• change in European diets
Creating America, pgs. 74 & 75