Answer:
positive : Crops providing significant food supplies were exchanged. ...
Better food sources led to lower mortality rates and fueled a population explosion. ...
Livestock and other animals were exchanged. ...
Horses were reintroduced to the New World. ...
Negative : Diseases were a huge negative impact. Diseases such as small pox and syphyllis were brought to the Americas by the Europeans and wiped out a large amount of the New World's population.
While slavery had a bit of a positive light, it was mostly a negative thing. ...
Wars were also a huge negative impact.
Step-by-step explanation:
i only could think of three negative but i hoped this helped.