The issuance of currency was tied to the U.S. gold holdings prior to 1968. The value of the currency is based on its purchasing power in the economy and around the world; and has not been linked to any particular commodity or an index since 1968.
Gold
I'm not fully understanding what this answer means, but I don't think it portends well. US currency is not based on Gold or something tangible like that; it is based on debt. US currency is a debt-based system.
The United States currently has a "Fractional Monetary Reserve System" although the system was originally a "Specie-backed" system (each dollar backed by a quantified amount of gold, "The Gold Standard").
The US monetary system is not in metric units. Instead, it uses a system based on the decimal system, where units are related to each other by powers of 10. For example, there are 10 dimes in a dollar, 100 cents in a dollar, and so on.
The term goldbug describes investors who were very bullish on buying the commodity gold. The Silverites were a political group in the US in the late-19th century that advocated that silver should continue to be a monetary standard w/ gold.
The US never adopted the Spanish dollar as a monetary system. However, in the early years of the Republic the use of foriegn currency, including the Spanish Dollar, was common and accepted.
It was designed in 1944 by 730 delegates from 44 allied nations and was called the Brenton Woods System.
monetary policy
Bimetallism was a monetary system that died in the late 19th century in the US.
the answer to studyisland is Federal Reserve Board
No. Never for a "private" non-government monetary system, but, yes, it would have to be introduced as a Bill into Congress, and the entire lawmaking process would have to take place in order to pass it.
system under which the federal government gave annual monetary grants to Indians