Given the task definition and input, reply with output. In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

In 1927, this typically non-medical substance was shown to treat rheumatism when injected intravenously. The Norman, Nortz, and Perry Supreme court cases are known as the "Clause" cases of this commodity. Eight nations formed a "London Pool" in 1961 in an attempt to control the value of this good. FDR's Executive Order 6102 made it a (*) criminal offense to possess this substance. Richard Nixon choked the market for this commodity, an act known as Nixon Shock. Samuel Brannan amassed riches by acquiring much of this substance shortly after a discovery of this at Sutter's Mill. For 10 points, name this substance decried by William Jennings Bryan, who opposed its "standard."
History