Atin yang 50 states at metung a federal district, at dakal a territoryu a miyayaliwang klasing pamiugne o pamisantmentung. Mayayaus ya naman kareng aliwang bansag antimong, United States, ing U.S., ing U.S.A., the U.S. of A., America
Ing pangabalangkas na ning karelang gubyernu menaliwa inyang 1789, inyang deng estadu elilan de ing Articles of Confederation at inalili re ing United States Constitution. Ing petsa na ning pamananggap da reng balang metung kareng 50 estadus ya pin ing "pangalub da king Pamisanmetung' at maging dake ne ning
Ing amlat ning America megumpisa inyang migmigrate la reng tau manibat Asia at linipat la king Bering land bridge. inyang bayu mga 12,000 banuang milabas, mapalyaring kaibat na ning pamanuki da kareng mangaragul a animal a darakpan da king America. Dening Katutubung Americanu milakwan lang katibayan king talagan atyu la pauli da reng petroglyphs, burial mounds, at aliwa pang artifacts. Keng tantya ra mga 2–9 million a katau deng pakatungnang keng sasakupan na ning U.S. ngeni, bayu la mepuksa keng sakit a darala da reng bayung datang a taga-Europa. Deng maluid a sociada ilapin deng Anasazi na ning maulingalbugan, nung nu la menuknangan king Chaco Canyon (and built sandstone buildings with up to 5 floors), at ding Woodland Indians, ding ginawa keng Cahokia, a atyu malapit keng kasalungsungan a St. Louis, a syudad atin populasyun a 41,623 inyang keyang pekamatas inyang AD 1200.
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Ing United States metung yang federal aniban da reng limang pulung estados. Deng minunang tune labing atlung estados ilapin deng migmana kareng labing atlung colonia a megrebeldi laban keng upya da reng British.