History glossary
Department of Homeland Security
the U.S. federal department created after 9/11 to coordinate domestic security and emergency protection.
- Category
- Government institution
- Region
- United States
- Date range
- from 2002
What it means
The Department of Homeland Security is a U.S. federal department created in 2002 after the September 11 attacks. It brought together agencies responsible for border security, transportation security, emergency management, immigration enforcement, and protection of critical infrastructure.
Related terms
Stories using this term
The World After The Cold War
From the fall of the Soviet Union to the rise of China and global terrorism, this story traces the turbulent reshaping of the international order after 1991.
The United States After 9/11
After 9/11, the United States launched the War on Terror, invaded Afghanistan and Iraq, expanded surveillance and homeland security, and entered a long era of costly war and deep political division.
