- The introduction of new crops to Europe, such as corn, potatoes, and tomatoes.
- The introduction of new crops to the Americas, such as wheat, rice, and sugar.
- The introduction of new diseases to the Americas, such as smallpox, measles, and influenza.
- The increase of population growth of the Native American population.
Correct Answer: The increase of population growth of the Native American population.
Explanation: The Columbian Exchange had a devastating impact on the Native American population. The introduction of new diseases, such as smallpox, measles, and influenza, decimated the Native American population. It is estimated that up to 90% of the Native American population died as a result of these diseases.