Final answer:
A national security policy involves protecting a nation and its citizens and includes policies related to economic, diplomatic, and political power.
Step-by-step explanation:
The idea of a national security policy involves protecting the nation and its citizens from various threats and ensuring the survival of the state. It is a combination of policies that employ economic coercion, diplomacy, political power, and the projection of power. National security policies have expanded to include not just military strength, but also economic security, energy security, environmental security, and the balance between individual rights and national security.
Specifically, the statements that best define the idea of a national security policy are:
- A. A national security policy protects a nation against industrial espionage and other covert activities.
- B. National security is not just one policy but comprises policies combining economic, diplomatic, and political power.
- C. A national security policy maintains its focus on the safety of its citizens and does not take away personal freedoms.