Currency relative values of the different currencies. Currencies in this sense are defined by governments, and each type has limited boundaries of acceptance. Other definitions of the term "currency" are discussed in their respective synonymous articles banknote, coin, and money. The latter definition, pertaining to the currency systems of nations, is the topic of this article. Currencies can be classified into two monetary systems: fiat money and commodity money, depending on what guarantees the value (the economy at large vs. the government's physical metal reserves). Some currencies are legal tender in certain political jurisdictions. Others are simply traded for their economic
It Takes a Nation of Millions to Hold Us Back of Millions"", stated lead MC Chuck D. With "It Takes a Nation of Millions to Hold Us Back", the group set out to make what they considered to be the hip hop equivalent to Marvin Gaye's "What's Going On", an album noted for its strong social commentary. As said by Chuck, "our mission was to kill the 'Cold Gettin' Dumb' stuff and really address some situations." In order to ensure that their live shows would be as exciting as those they played in London and Philadelphia, the group decided that the music on "Nation of Millions" would have to be