What was the most serious money problem faced by people in the early United States?
A. The money they used lacked stability.
B. There was no single medium of exchange.
C. There were several standards of value.
D. Some things lacked portability.
♥B. There was no single medium of exchange.♥ Take a look at the saying "Not worth a Continental". It referrers to the fact that currency issued by the Continental Congress was usually just a promise to pay. Leaving your answer with ♥B♥