What does the Secretary of Defense do?

• A. Oversees defense policy and advises the President.
• B. Manages domestic economic policy.
• C. Directs all diplomatic negotiations.
• D. Oversees diplomatic relations with foreign nations.

Answer: (A)

The key idea here is understanding the Secretary of Defense as the civilian leader who directs the Department of Defense, shaping defense policy and advising the President on military matters. The Secretary is responsible for formulating defense policy, overseeing the armed forces’ readiness and resources, and providing expert military advice to the President and national security decision-makers. Domestic economic policy is handled by departments like the Treasury and economic teams, while diplomacy—negotiating with other nations and managing diplomatic relations—falls to the Department of State. Because the role described—overseeing defense policy and advising the President—best fits the Secretary of Defense, that option is correct.