He improved business and trade
Answer:
Though the Amendment abolished slavery throughout the United States, some Black Americans, particularly in the South, were subjected to other forms of involuntary labor, such as under the Black Codes, as well as subjected to white supremacist violence, and selective enforcement of statutes, besides other disabilities.
Declaration of Independence
It's C. One resource economies are vulnerable to outside factors that can leave the country with few or no sources of income. I hope this helps!