The U.S. national government is a presidential constitutional republic and liberal democracy with three separate branches: legislative, executive, and judicial.

List of states and territories · History · Demographics of the United... · Territory

The United States of America is a federal republic consisting of 50 states, a federal district five major territories, and various minor islands.

Sovereign states · Tenth Amendment · US postal abbreviations · Aboriginal title

The United States of America (U.S.A. or USA), commonly known as the United States (U.S., US or the States), or simply America, is a sovereign country mostly ...

United States Virgin Islands · U.S. state · Democratic Party · Republican Party

The United States National Security Council (NSC) is the principal forum used by the president of the United States for consideration of national security, ...

In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental ...

Admission to the Union · Police power (United States... · Commonwealth · Georgia

The U.S. healthcare system has been the subject of significant political debate and reform efforts, particularly in the areas of healthcare costs, insurance ...

Health insurance coverage · Out-of-pocket expense · Healthcare reform

The Declaration of Independence, formally titled The unanimous Declaration of the thirteen united States of America is the founding document of the United ...

Signing · Physical history · Committee of Five · National Archives Building

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