In contrast to the many powers it gives Congress, the Constitution grants few specific powers to the president. Indeed, most of Article II, which deals with the executive branch, relates to the method of election, term and qualifications for office, and procedures for succession and impeachment rather than what the president can do. The powers of the president are not limited to those granted in the Constitution. Presidential authority has expanded through the concept of inherent powers (see the section on inherent powers later in this chapter) as well as through legislative action.
Treaty power
The president has the authority to negotiate treaties with other nations. These formal international agreements do not go into effect, however, until ratified by a two-thirds vote of the Senate. Although most treaties are routinely approved, the Senate rejected the Treaty of Versailles (1919), which ended World War I and which President Woodrow Wilson had signed, and, more recently, refused to take action on President Jimmy Carter's SALT II Treaty on arms limitation (1979).
Appointment power
The president selects many people to serve the government in a wide range of offices: most important among them are ambassadors, members of the Supreme Court and the federal courts, and cabinet secretaries. More than 2,000 of these positions require confirmation (approval) by the Senate under the "advice and consent" provision of the Constitution. Confirmation hearings can become controversial, as did the hearing for Clarence Thomas, President George H. W. Bush's nominee for the Supreme Court. Sometimes appointments to ambassadorships are given as a reward for faithful service to the president's political party or for significant campaign contributions. Such appointments are considered patronage.
Legislative powers
The president is authorized to proposed legislation. A president usually outlines the administration's legislative agenda in the