The gold standard has not been used in any major economy since a. 1900 b. 1933 c. 1946 d. 1971

The correct answer is D.

After WWII, the Bretton-Woods system had been established through which all currencies were convertible to US dollars, while the US dollar was the only one convertible to gold. Foreign goverments kept gold reserves in their Central Banks.

In 1971, President Nixon unilaterally suspended the convertibility to the dollar and from this momenton, for the first time in history, currencies were not fixed to any precious metal (gold or silver) anymore. Instead, this event constituted the origin of fiduciary money, based on the trust of its users and not pledged to any material acting as a value deposit.

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the main concern with the first draft of the articles of confederation was too much power in the state governments.