Precious metal "precious" metal can also be determined by high demand or market value. Precious metals in bulk form are known as bullion and are traded on commodity markets. Bullion metals may be cast into ingots or minted into coins. The defining attribute of bullion is that it is valued by its mass and purity rather than by a face value as money. The level of purity varies from issue to issue. "Three nines" (99.9%) purity is common. The purest mass-produced bullion coins are in the Canadian Gold Maple Leaf series, which go up to 99.999% purity. A 100% pure bullion is
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