Question

List and explain how several plants that spread through the Colombian exchange had positive and negative effects as a crop.

Answer 1

Answer:

Explanation:

1)Exchange of foods an animals had a dramatic impact on later societies.

2)Over time, crops native to Americas became staples in diets of Europeans.

3)Foods provided substantial nutrition and helped people live longer.

positive-European/African foods introduced and American food to Europe/Africa.

negative-Native Americans and Africans were forced to work on plantations. Diseases were also exchanged!