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federation
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Venn diagram illustrating the division of powers under U.S. federalism, with the left circle listing national government powers, the right circle listing state government powers, and the overlapping center showing concurrent powers shared by both. Map of the United States during the Civil War, color-coded to show Union free states, Union slave states, Confederate states that seceded before and after April 1861, and West Virginia, which joined the Union in 1863. The map also marks federal and unorganized Indian territories, with the Confederacy highlighted in green and border slave states in orange. Historical map of the Swiss Confederation as it existed up to 1798, showing regions in varying colors to indicate the original three forest cantons, cantons added before 1354, cantons added between 1481 and 1513, as well as allied and protected districts and subject districts as of 1798. The map labels surrounding regions including the Duchy of Savoy, the Holy Roman Empire, and the Republic of Venice, with major Swiss cities and cantons clearly marked. Map showing the Federated States of Micronesia in the western Pacific Ocean, highlighting its four main island groups: Yap, Chuuk, Pohnpei, and Kosrae. Insets provide detailed views of the major islands and atolls, labeling towns, physical features, and harbors. State boundaries and major elevations are indicated. Constitution of the United States of America Alabama certificate showing the state's electors' votes

federation: References & Edit History

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  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

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Article History

Type Description Contributor Date
Add new Web site: ABC listen - Overnights - The Path to Federation. Sep 10, 2025
Add new Web site: UUM Repository - Revising the Unitary vs. Federation Classifications (PDF). Jul 09, 2025
Add new Web site: International Institute for Democracy and Electoral Assistance - The Division of Powers in Federations (PDF). May 09, 2025
Add new Web site: The University of Adelaide - Adelaide Research and Scholarship - Federation. Jul 19, 2024
Add new Web site: Princeton University - Encyclopedia Princetoniensis - Federalism and Federation. Feb 07, 2023
New article added. Jul 21, 2022
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