The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America and consisting of 50 states, a federal district, five major unincorporated territories, nine Minor Outlying Islands, and 326 Indian reservations.
The Constitution of the United States is the supreme law of the United States of America. It superseded the Articles of Confederation, the nation's first constitution, in 1789.
In the United States, politics function within a framework of a constitutional federal republic and presidential system, with three distinct branches that share powers: the U.S. Congress which forms the legislative branch, a bicameral legislative body comprising the House of Representatives and the Senate; the executive branch, which is headed by the president of the United States, who serves as the country's head of state and government; and the judicial branch, composed of the Supreme Court and lower federal courts, and which exercises judicial power.
In the United States, human rights comprise a series of rights which are legally protected by the Constitution of the United States (particularly the Bill of Rights), state constitutions, treaty and customary international law, legislation enacted by Congress and state legislatures, and state referendums and citizen's initiatives. The Federal Government has, through a ratified constitution, guaranteed unalienable rights to its citizens and (to some degree) non-citizens.
In the politics of the United States, elections are held for government officials at the federal, state, and local levels.
Voter ID laws in the United States are laws that require a person to provide some form of official identification before they are permitted to register to vote, receive a ballot for an election, or to actually vote in elections in the United States.
Electronic voting in the United States involves several types of machines: touchscreens for voters to mark choices, scanners to read paper ballots, scanners to verify signatures on envelopes of absentee ballots, and web servers to display tallies to the public.
Election Day in the United States is the annual day for general elections of federal public officials. It is statutorily set by the U.S. government as "the Tuesday next after the first Monday in November", i.e. the Tuesday that occurs within November 2 to November 8.
Voter suppression in the United States consists of various legal and illegal efforts to prevent eligible citizens from exercising their right to vote. Such voter suppression efforts vary by state, local government, precinct, and election. Voter suppression has historically been used for racial, economic, gender, age and disability discrimination.