Commodity money as a theoretical backing for federally issued "gold certificates" to substitute for the gold. Between 1933 and 1970 (when the U.S. officially left the gold standard), one U.S. dollar was technically worth exactly 1/35 of a troy ounce (889 mg) of gold. However, actual trade in gold bullion as a precious metal within the United States was banned after 1933, with the explicit purpose of preventing the "hoarding" of private gold during an economic depression period in which maximal circulation of money was desired by influential economists. This was a fairly typical transition from commodity to representative to fiat money,
Precious Knowledge one ethnic studies elective per year. One month later, Governor Kate Brown required Oregon public schools to offer ethic studies for students in kindergarten through 12th grade and the Seattle School Board claimed they would include ethnic studies in school curriculum. In October of 2017, school administrators in Bridgeport, Connecticut, approved a requirement for high school graduation where students must take a half-year class on African American studies, Latin American/Caribbean studies or perspectives on race. Precious Knowledge Precious Knowledge is a 2011 educational and political documentary that centers on the banning of the Mexican-American Studies(MAS) Program in the Tucson Unified