Which authority appoints a US District Court Judge?

The appointment of a US District Court Judge is a process established by the Constitution, specifically in Article II, Section 2. The correct answer indicates that the President has the authority to appoint judges, but this appointment is not unilateral; it requires the advice and consent of the Senate. This means that once the President nominates a candidate for the position of district judge, the Senate must confirm that nominee through a voting process. This system of checks and balances ensures that both the executive and legislative branches participate in the selection of federal judges, reflecting a collaborative approach to governance and judicial oversight.

In contrast, the other options do not accurately represent the constitutional process. The Senate does play a crucial role, but it does not appoint judges on its own; rather, it confirms the nominations made by the President. The House of Representatives has no role in the appointment of judges. Similarly, the Chief Justice of the Supreme Court does not have the authority to appoint district judges, as this power is specifically held by the President and involves the Senate's consent. Thus, the correct answer encapsulates the essential functioning of the judicial appointment process in the United States.