A. economic prosperity is tied to strong and stable societies.
The answer is D. Principalities were small territories that were run by Russian rulers.
This due because they population was very small, and it still hasn't reached by the mongol Empire But they were very close with Russian Territories
The role of John Ross in the the Antebellum South was that, he was the Principal Chief of the Cherokee Nations from 1828-1866, serving longer in this position than any other person.
Hope this helps!
-Payshence xoxo