Answer:
Explanation:
Horses: introduced a new mode of transportation and labor
Any of the diseases: introduced new illnesses to the Americas that the Natives had no immunity against, resulting in mass death.
Bananas: later on in history bananas became a huge industry in southern america.
The worker role is unique and they play important roles in economics. They can go about as consumers and producers at the same time. They can choose what to purchase or what to produce, and the amount of it to purchase or to produce.