The answer is urbanization.
Answer:
Mississippi Valley Loess Plains
Explanation:
The Natchez soil is distributed in the Mississippi Valley Loess Plains ecoregion.
The value of enslaved African American’s increased during and after the revolutionary war as they fought in the war.
They were part of the reason that America won the revolutionary war - they left their masters to risk their lives for a country that looked down upon them originally.
Hope this helps!
I am pretty sure that the answer is D
