Answer:
A) New crops such as potatoes became an important part of European diets.
Explanation:
Crops like potatoes were discovered by Europeans once they started exploring the "New World" and were shipped off to Europe as part of the Columbian exchange. Diseases like smallpox were NOT eliminated as they were spread from infected colonists to native tribes. This would continue for a decades and thousands of Natives would die because of this. For C, horses were actually introduced to the Europeans for the first time and were prized for their speed, strength, and agility. Horses were among the first things to be traded. Finally, coffee had already been grown in the Middle East and Africa for quite some time, so to say the popularity of coffee had stemmed from Columbia (a major supplier of coffee today) is a trick answer.
