Answer:
it accelerated the great migration
I don't know the back story to this question but i think it would be B, could be wrong though
Answer: It revolutionized the cotton industry in the United States, but also led to the growth of slavery in the American South as the demand for cotton harvesting rapidly increased. The invention has thus been identified as an inadvertent contributing factor to the outbreak of the American Civil War
Explanation:
This improved who says vilonced sloves nothing