TheĀ federal government of the United StatesĀ (U.S. federal government)Ā is theĀ national governmentĀ of theĀ United States, aĀ federal republicĀ inĀ North America, composed of 50Ā states, aĀ federal district, five majorĀ self-governing territoriesĀ and severalĀ island possessions.
The federal government is composed of three distinct branches:Ā legislative,Ā executive, andĀ judicial, whose powers are vested by theĀ U.S. ConstitutionĀ in theĀ Congress, theĀ presidentĀ and theĀ federal courts, respectively.
The powers and duties of these branches are further defined by acts of Congress, including the creation ofĀ executive departmentsĀ and courts inferior to theĀ Supreme Court.
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