Answer:
The answer is D. This is because it isn't a form of currency, it was not backed by gold, silver, or land, and it was not an economic success.
Explanation:
High taxes and Claim on the continent. The royal proclamation of 1763, issued by George III on Oct. 7, forbade colonists from settling west of the Appalachian Mountains. This meant settlements previously approved by the Crown were now unlawful
In the 1760's Great Britain started imposing taxes on the colonies to pay off the French and Indian War. Colonists who didn't want to pay the taxes would smuggle goods in.
I think it is the start of America's regular involvement in Europe
