Federal or foederal (archaic) may refer to: In politics:
Federalism, a political philosophy
Federation, a union of states
Federal republic, a federation of republics
Federal constitutional monarchy, a federation of monarchies or a federal organised monarchy
Central government, the common level of government of a federation
Federal governmentFederal government of the United StatesUnited States federal lawUnited States federal courtsUnion (American Civil War)Government of CanadaGovernment of AustraliaGovernment of RussiaFederal district, a subdivision under the direct control of a federal government Other:
Federal style architecture, a U.S. style of Georgian architectureFederal (Amtrak), a passenger train providing an overnight Boston–Washington, DC service in 2003 and 2004
Federal Cartridge, a U.S. ammunitions manufacturer
Federal Records, a subsidiary label of King Records, U.S.
Federal Reserve, the U.S. central bank
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