Which two agencies take center stage among agencies for external national security?

Question

Quizplus · Accepted Answer

The State Department is responsible for diplomatic efforts and international relations, but the agencies primarily responsible for external national security are the Department of Defense (which includes the military) and the Department of Homeland Security (which includes agencies such as Customs and Border Protection). The FBI primarily focuses on domestic law enforcement and intelligence, rather than external national security.

Which Two Agencies Take Center Stage Among Agencies for External