Final answer:
The President guides national security objectives through the National Security Strategy, which includes diplomacy, economic actions, and military preparedness.
Step-by-step explanation:
The President of the United States guides developing, applying, and coordinating the instruments of national power to achieve objectives that contribute to national security in the National Security Strategy (NSS). This encompasses a range of activities including diplomacy, economic coercion, and maintaining effective armed forces to ensure the survival and security of the state. The National Security Strategy is a document that articulates the President's vision for the country's national security goals and the strategies to achieve them. It plays a critical role in shaping U.S. foreign policy.