What is the primary role of the President's Cabinet?

The primary role of the President's Cabinet is to advise the President on various matters related to governance and policy. Each member of the Cabinet is usually the head of a specific department within the executive branch, such as defense, treasury, or education, and brings specialized expertise to inform the President's decisions.

While the President does lead the armed forces and has ultimate command over military operations, the specific role of advising is what defines the Cabinet's function. Hence, the correct choice encapsulates the broad responsibilities of the Cabinet, which includes both advising the President and supporting various roles related to national defense. The term "all of the above" accurately represents the multifaceted nature of the Cabinet's involvement in both military and civilian matters, highlighting how they serve as critical advisors in the execution of presidential duties.