A the civil war is the answer
Answer:
The Columbian exchange, also known as the Columbian interchange, named after Christopher Columbus, was the widespread transfer of plants, animals, culture, human populations, technology, diseases, and ideas between the Americas, West Africa, and the Old World in the 15th and 16th centuries.
a multilateral system of trading in which a country pays for its imports from one country by its exports to another.
Answer:
Article one, section two of the Constitution of the United States declared that any person who was not free would be counted as three-fifths of a free individual for the purposes of determining congressional representation. The "Three-Fifths Clause" thus increased the political power of slaveholding states.
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