The role of the Speaker of the House primarily involves leading the House of Representatives. Among their key responsibilities, the Speaker:
- Leads the majority party in the House: The Speaker is typically a member of the majority party and is responsible for setting the legislative agenda, managing debates, and guiding the passage of legislation.
The other options you mentioned are not roles of the Speaker of the House:
- The Speaker does not administer the oath of office to the President; this is performed by the Chief Justice of the United States.
- The Speaker does not chair the Supreme Court; the Supreme Court is led by the Chief Justice.
So, the correct answer is: Leads the majority party in the House.