What is the mission of the Department of Homeland Security?
A) A concerted national effort to prevent terrorist attacks, reduce the nation's vulnerability to terrorism, and minimize the damage from potential attacks.
B) An effort to lead and coordinate intelligence efforts against terrorist organizations, foreign intelligence services, weapons of mass destruction, and criminal enterprises.
C) Producing timely analysis that provides insight for policymakers charged with protecting and advancing American interests.
D) All of the above