INSTANT I NEEED IT What effects did the Columbian Exchange have on the Americas? Choose four correct answers. New diseases caused many deaths. Native populations increased significantly. Native people were forced from their land. Native people became stronger economically. European colonists began using enslaved laborers. Spain used the encomienda system in the Americas.

New diseases caused many deaths. Native populations increased significantly.

Explanation:

The Columbian exchange had some effects on the Americans which later affected the world at large. One of the things they did that affected the Americans was the new disease that came through them which caused much death, another was that the native population increased in tremendous number this was due to their circulation of wide variety of new crops and livestock

A C E AND F

Explanation:

edg 2021

"choosing is refusing" means individuals face an opportunity cost with each decision they make. economists state that every decision involves trade-offs. opportunity cost is the least desirable alternative given up as a result of a decision.