As cotton became the backbone of the Southern economy, slavery drove impressive profits. The benefits of cotton produced by enslaved workers extended to industries beyond the South. In the North and Great Britain, cotton mills hummed, while the financial and shipping industries also saw gains.
Business supremacy in the area of commerce
Answer:
Mississipi River.
Explanation:
https://quizlet.com/256014270/the-trail-of-tears-flash-cards/
Try going to this website to find that the Mississipi River is the correct answer. Should be the second flashcard! Hope this helps. <3