Slavery and communicable diseases are two negative effects of the Columbian exchange.
Abundant crops and livestock were two positive effects of the Columbian exchange.
The horse,religion,food and crops
The positive and negative effects are nomnom
The horse, religion,food and crops.
The effects of the Columbian Exchange were both harmful and beneficial. This is because the diseases caused native Americans to die but new goods were spread to different areas.
What were the positive and negative effects of imperialism in Cuba?
what is the positive and nagetive effects