Which federal agency is responsible for national security?

• A. U.S. Department of Homeland Security
• B. U.S. Consumer Product Safety Commission
• C. Committee Scope
• D. CAL Fire

Answer: (A)

National security is the overarching effort to protect the country from threats, from terrorism to disasters, by coordinating prevention, defense, and emergency response across the nation. The federal agency responsible for leading those homeland security efforts is the Department of Homeland Security. Created after 9/11 to bring together multiple functions under one umbrella, it coordinates activities across agencies like the Coast Guard, FEMA, TSA, and the Secret Service to secure borders, protect transportation systems, safeguard critical infrastructure, and manage emergency responses and cybersecurity.

The other options don’t fit because one focuses on keeping consumers safe from hazardous products, not national security; another is a state-level agency responsible for firefighting within California; and the last option isn’t a real federal agency.