enough immune systems to fight it off. This basically killed off almost all of the American Indians. The reason this was a positive impact on the European colonies was because it increased their health and wealth all at the same time. The Columbian Exchange has completely changed the world. We would not be eating corn, potatoes and other carbohydrates if the New World was never discovered.
enough immune systems to fight it off. This basically killed off almost all of the American Indians. The reason this was a positive impact on the European colonies was because it increased their health and wealth all at the same time. The Columbian Exchange has completely changed the world. We would not be eating corn, potatoes and other carbohydrates if the New World was never discovered.