The Mongol Empire lasted only 100 years.
The Mali Empire lasted a little more than 300 years.
Some good people that traded
The Columbian Exchange had positive and negative consequences.
Some of the positive consequences were the introduction of different nutrients and food supplies into the Old World, such as corn or potatoes. This improved the diet of most Europeans, leading to a population growth in the next generations.
However, Europe benefited more than the Americas, for some of the negative consequences about the Columbian Exchange were the introduction of diseases into the continent and the slavery of African populations into the Americas.
I think that the answer is: A
Answer:controlling trade with Europe
Explanation:
I took a test