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ABŞ Dolları haqqında
The United States dollar is the official currency of the United States and several other countries. The Coinage Act of 1792 introduced the U.S. dollar at par with the Spanish silver dollar, divided it into 100 cents, and authorized the minting of coins denominated in dollars and cents. U.S. banknotes are issued in the form of Federal Reserve Notes, popularly called greenbacks due to their predominantly green color.
The monetary policy of the United States is conducted by the Federal Reserve System, which acts as the nation's central bank.
The U.S. dollar was originally defined under a bimetallic standard of 371.25 grains fine silver or, from 1837, 23.22 grains fine gold, or $20.67 per troy ounce. The Gold Standard Act of 1900 linked the dollar solely to gold. From 1934, its equivalence to gold was revised to $35 per troy ounce. In 1971 all links to gold were repealed.
The U.S. dollar became an important international reserve currency after the First World War, and displaced the pound sterling as the world's primary reserve currency by the Bretton Woods Agreement towards the end of the Second World War. Wikipediaİndoneziya Rupisi haqqında
The rupiah is the official currency of Indonesia, issued and controlled by Bank Indonesia. Its name is derived from the Sanskrit word for silver, rupyakam. Sometimes, Indonesians also informally use the word perak in referring to rupiah in coins. The rupiah is divided into 100 cents, although high inflation has rendered all coins and banknotes denominated in cents obsolete.
The rupiah was introduced in 1946 by Indonesian nationalists fighting for independence. It replaced the Japanese-issued version of the Netherlands Indies gulden which had been introduced during the Japanese occupation in World War II. In its early years, the rupiah was used in conjunction with other currencies, including a new version of the gulden introduced by the Dutch. The Riau Islands and the Indonesian half of New Guinea had their own variants of the rupiah in the past, but these were subsumed into the national rupiah in 1964 and 1971, respectively. Wikipedia