+The **Us Dollar** (USD) is the official [currency](/wiki/currency) of the United States, representing a fundamental unit of value. It serves as a prominent reserve currency, deeply influencing global [economy](/wiki/economy) and international finance.
+## See also
+- [Money](/wiki/money)
+- [Fiat Currency](/wiki/fiat_currency)
+- [Federal Reserve](/wiki/federal_reserve)
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