The appoints a new justice whenever there is a vacancy in the supreme court.

Supreme Court

Step By Step Explanation:

The appointment of a Supreme Court Justice is an event of major significance in American
politics. Each appointment is of consequence because of the enormous judicial power the
Supreme Court exercises as the highest appel ate court in the federal judiciary. Appointments are
usual y infrequent, as a vacancy on the nine-member Court may occur only once or twice, or
never at al , during a particular President’s years in office. Under the Constitution, Justices on the
Supreme Court receive what can amount to lifetime appointments which, by constitutional
design, helps ensure the Court’s independence from the President and Congress.