Respuesta :
Answer:
One of the positive impacts the Columbian Exchange had on the world, was the massive exchange of crops. With the new crops brought into the Old World, the population increased due to the fact that the new crops were easy to store, grew fast, could withstand droughts well, gave a very high yield in calories.
Explanation:
The Colombian Exchange had both a negative and positive effect on the world. In your essay I would give two positives and two negatives. Hope this helps