Horses, sugar plants, and disease are the products exchanged on the Columbian Exchange.
Christopher Columbus introduced horses, sugar plants, and disease to the New World means America. Horses and sugar plants has a positive effect on the people because horses are used for transportation and sugar plants are used as a food. But the disease has a negative impact on the people because it kill a large number of people.
So we can conclude that horses, sugar plants, and disease are the products exchanged on the Columbian Exchange.
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