The gold standard a monetary system in which paper money and coins equal to the value of a certain amount of gold
Based on the other answer, I'm guessing that it was A. Russians were likely to reject pure Marxism because Marx was a German. (I'll update it when I know for sure.)
Answer:
D
Explanation:
With the cotton gin, production rates boosted because it cleaned the cotton faster, and separated the seeds quicker. That way, cotton plantation owners sold much more cotton, and made a lot more money.
Back-Country is settled land. It also could be backwater. Back-Country is an area that is remote, and difficult to access. VERY isolated.