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Politics of the United States

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Through Politics, Constitution and Republic

Each of the 50 individual state governments has the power to make laws within its jurisdiction that are not granted to the federal government nor denied to the states in the U.S. Constitution. Each state also has a constitution following the pattern of the federal constitution but differing in details. Each has three branches: an executive branch headed by a governor, a legislative body, and a judicial branch. At the local level, governments are found in counties or county-equivalents, and beneath them individual municipalities, county, townships, school districts, and special districts.

Officials are popularly elected at the federal, state and local levels, with the major exception being the president, who is instead elected indirectly by the people through the Electoral College. American politics is dominated by two parties which since the American Civil War have been the Democratic Party and the Republican Party, although other parties have run candidates. Since the mid-20th century, the Democratic Party has generally supported left-leaning policies, while the Republican Party has generally supported right-leaning ones. Both parties have no formal central organization at the national level that controls membership, elected officials or political policies; thus, each party has traditionally had factions and individuals that deviated from party positions. Almost all public officials in America are elected from single-member districts and win office by winning a plurality of votes cast (i.e. more than any other candidate, but not necessarily a majority). Suffrage is nearly universal for citizens 18 years of age and older, with the notable exception of registered felons in some states.

Federal government

The United States is a constitutional federal republic, in which the president (the head of state and head of government), Congress, and judiciary share powers reserved to the national government, and the federal government shares sovereignty with the state governments.

The federal government is divided into three branches, as per the specific terms articulated in the U.S. Constitution:

The federal government's layout is explained in the Constitution. Two political parties, the Democratic Party and the Republican Party, have dominated American politics since the American Civil War, although other parties have existed.

There are major differences between the political system of the United States and that of many other developed countries, including:

  • an upper legislative house (the Senate), with far more power than is found in equivalent bodies in most other countries;
  • a Supreme Court that also has a wider scope of power than is found in most countries;
  • a separation of powers between the legislature and the executive; and
  • a political landscape dominated by only two main parties. The United States is one of the world's only developed countries where all additional parties have minimal or nonexistent influence and almost no representation at the national and state level. Causes for this mainly focus on the plurality-based first-past-the-post voting system, used in most elections, which encourages strategic voting and discourages vote splitting. This also results in both major parties having multiple internal factions.

The federal entity created by the U.S. Constitution is the dominant feature of the American governmental system, as citizens are also subject to a state government and various units of local government (such as counties, municipalities, and special districts).

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