Which two agencies are most responsible for external national security?

Question

Quizplus · Accepted Answer

The State Department is responsible for foreign policy and international relations, while the Department of Defense is responsible for the military defense of the country. Together, they are most responsible for external national security. The FBI focuses more on domestic security and law enforcement, and the Department of Homeland Security primarily deals with internal security issues such as immigration and border control.

Which Two Agencies Are Most Responsible for External National Security