The Senate confirms both federal judges and Supreme Court justices.
The Senate
Presidential nominations of federal court judges are made with the "advice and consent" of the Senate, just as Supreme Court nominations are. The Senate must confirm the nomination by a simple majority of those voting in order for the judge to be commissioned.
In the United States the Congress, or legislative branch confirms federal judicial appointments. It is the Senate as upper house of the Congress that has the Constitutional power to confirm federal judges, and Supreme Court nominees.
Congress can impeach the President if he commits a major crime. Congress can override the President's vetoes and Congress must approve of the President's nominations to federal positions, like federal judges.
Mexico is a federal presidential representative republic. As such, some of the government officials (president, congress) are elected by direct popular vote.
In the United States the Congress, or legislative branch confirms federal judicial appointments. It is the Senate as upper house of the Congress that has the Constitutional power to confirm federal judges, and Supreme Court nominees.
Legislative -Can override presidential veto -Can decline/accept presidential nominations to Supreme Court and other federal agencies -Can impeach president Judicial -Can rule legislation unconstitutional -Chief Justice is in charge of presidential impeachment Executive -Can appoint justices and other members of high office -Can override (veto) laws passed by congress -Can grant pardons for crimes against the U.S.
The President doesn't need anyone's approval to select, or nominate, a Federal judge, but the judge can only be appointed with the "advice and consent" of the Senate, which is only one chamber of Congress. Appointment requires a simple majority (51%) of the Senators voting. The House of Representatives, which is the other chamber of Congress, plays no role in this process.
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The Constitution provides that certain nominations of the President of the United States are subject to "Advice and Consent" of the United States Senate. The House of Representatives has no role in this process. When the President makes an appointment - the party takes office immediately and does not require confirmation. Other than certain offices, such as for federal Judges and military officers and other high offices, most Presidential patronage does not require confirmation. About 1 in 10 of the President's selections for office do require confirmation by the Senate.
Senate
For appointed positions within the US federal government, the President and the Executive Branch nominate appointees, who must then be approved by Congress. This includes federal judges, US attorneys, and the heads of the various departments, bureaus, and agencies.
The Senate.