The president of the United States is the head of state and head of government of the United States of America. The president directs the executive branch of the federal government and is the commander-in-chief of the United States Armed Forces.
The power of the presidency has grown substantially since its formation, as has the power of the federal government as a whole. While presidential power has ebbed and flowed over time, the presidency has played an increasingly strong role in American political life since the beginning of the 20th century, with a notable expansion during the presidency of Franklin D.
The power includes the execution and enforcement of federal law and the responsibility to appoint federal executive, diplomatic, regulatory, and judicial officers. Based on constitutional provisions empowering the president to appoint and receive ambassadors and conclude treaties with foreign powers, and on subsequent laws enacted by Congress, the modern presidency has primary responsibility for conducting U.S.The role includes responsibility for directing the world’s most expensive military, which has the second largest nuclear arsenal.
As part of the system of checks and balances, Article I, Section7 of the Constitution gives the president the power to sign or veto federal legislation.
Under the Twenty-second Amendment, ratified in 1951, no person who has been elected to two presidential terms may be elected to a third.
