Answer:
The Columbian exchange, also known as the Columbian interchange, named after Christopher Columbus, was the widespread transfer of plants, animals, culture, human populations, technology, diseases, and ideas between the Americas, West Africa, and the Old World in the 15th and 16th centuries.
Explanation
Both Europeans and Native Americans were introduced to new diseases. However, the Native Americans were greatly effected because their immune systems and bodies weren't as great as the Europeans were. The Natives population decreased dramatically and they had no way of curing these harmful diseases.
