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,
Populism in Latin America launch of the State-owned oil-company Petrobrás—that were the hallmark of Vargas' second term as Brazil's democratically elected president (1951–1954) and that led to his eventual suicide. In some countries, Populism has been fiscally supported in Latin America during periods of growth such as the 1950s and 1960s and during commodity price booms such as in oil and precious metals. Political leaders could gather followers among the popular classes with broad redistributive programs during these boom times. Conversely, in others countries, Populism has been historically associated with countering the relative decline of export agriculture with deficit spending and import-substitution policies aimed