presidents of the United States
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In contrast to many countries with parliamentary forms of government, where the office of president, or head of state, is mainly ceremonial, in the United States the president is vested with great authority and is arguably the most powerful elected official in the world. The U.S. president is the head of the executive branch of the country’s federal government. The powers and responsibilities of the office, as defined in Article II of the U.S. Constitution, include appointing high-ranking officials of executive agencies and departments and members of the federal judiciary (subject to confirmation by the U.S. Senate), serving as commander in chief of the U.S. military, making treaties with foreign governments, and signing or vetoing legislation passed by Congress.
The president is elected to a four-year term via an electoral college system. Since the Twenty-second Amendment was adopted in 1951, the American presidency has been limited to a maximum of two terms.
The table below lists all of the presidents of the United States.