What is the primary role of the Solicitor General?

The primary role of the Solicitor General is to represent the federal government before the Supreme Court. This position involves presenting the government's position in cases where the government is a party, as well as in cases that may have significant implications for federal law and policies. The Solicitor General also plays a crucial role in deciding which cases to appeal and is responsible for the representation of the government in appellate courts.

This role is particularly important because it helps ensure that the federal government's views are effectively communicated to the Supreme Court, which in turn shapes interpretations of federal law and the Constitution. The Solicitor General often participates in cases that have far-reaching effects on various legal and social issues, thus making it a key position within the judicial system.

The other options, while related to legal functions, do not accurately capture the specific responsibilities of the Solicitor General. For instance, representing state governments pertains more to state attorneys general. Providing legal advice to the President is within the purview of the White House Counsel, while overseeing the federal court system is generally the responsibility of the judiciary and the Administrative Office of the U.S. Courts.