Answer:
most of the effects were generally positive from it
Step-by-step explanation:
The exchange introduced a wide range of new calorically rich staple crops to the Old World—namely potatoes, sweet potatoes, maize, and cassava. The primary benefit of the New World staples was that they could be grown in Old World climates that were unsuitable for the cultivation of Old World staples.
Though there were positive effects, the Columbian Exchange had a long-lasting negative impact. Christopher Columbus's arrival in the Americas facilitated the exchange of plants, animals and diseases between the Old and New Worlds. For generations, Christopher Columbus was considered a hero of American history.