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USA
also U.S.A., abbreviation of United States of America, in use by 1814 in addresses, etc.; not common otherwise before c. 1920. Before then it often also meant United States Army.
updated on October 04, 2010
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also U.S.A., abbreviation of United States of America, in use by 1814 in addresses, etc.; not common otherwise before c. 1920. Before then it often also meant United States Army.
updated on October 04, 2010