Answer:
1.Impact of disease on animals. Besides humans, animals were also greatly impacted by the spreading of germs at the time.
2. Columbus Exchange was harsh against people who violated. Gold was the basic requirement
3. the introduction of New World crops, such as potatoes and corn, to the Old World
Explanation:
The US proved that it had the industrial strength and man power to become a world power
<span>C. the American army</span>
Women would have a lot of kids so they could work for the family