Answer:
The Columbian Exchange is an exchange of goods, animals, technology and culture that happened between Europe and the Americas after Christopher Columbus discovered the New World in 1492.
Europe would bring goods to the Natives, and the Natives would send their goods back to Europe. Some of the items that Europeans sent were sugar, apples, coffee, bananas and spices, while the Natives supplied Europe with tomatoes, potatoes, chocolate, cotton, etc.