The Columbian Exchange was the transfer of ideas, plants, people, and crops between the new and Old World.
Something good about the Columbian Exchange was the new plants that were brought to America. Before things like rice and horses were in the New World, but new things like corn and cattle were introduced.
The bad thing was the slave trade. Because of the new crops being introduced, slaves were needed to plant, tend to , and harvest these new crops. Also, new disease were introduced that killed million of Native Americans.
Imperialism because it’s when they wanted to expand and make the United States stronger in Military and land
Answer:
a policy of extending a country's power and influence through diplomacy or military force:
