The correct answer is:
The decision by Congress in 1873 to stop buying and minting silver.
The Coinage Act of 1873, signed into law by President Ulysses S. Grant, was a general reform of the laws associated with the Mint of the United States.
The act was later criticized by advocates of bimetallism as the "Crime of '73" because it ended bimetallism in the United States, by setting the nation on the gold standard.
<span>It set up a standardized system whereby settlers could purchase title to farmland in the undeveloped west.</span>
After the Mongols defeated the Delhi Sultanate in India during the 16th century, the Islamic religion advanced into Central Asia.
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