Terrorism

 Terrorists have sought to achieve their political agendas all over the world.

Strong ideology motivates those who commit terrorism, no matter their goals.

From foreign groups to domestic threats, how does the U.S. government define terrorism?

What the numbers behind terrorism—and the process of getting to them—reveal.

Terrorism is often described as requiring the “oxygen of publicity.”

The history of counterterrorism in the United States is more than a list of policies. It shows how the definition of terrorism and the agencies and tools used to pursue those who commit it have evolved over time.

National security experts have a range of options available as they work to prevent terrorism.

What are the ways in which people—overwhelmingly young people—become radicalized?

The open-ended scope of the 2001 Authorization for Use of Military Force has justified counterterrorism policy for two decades—and counting.

What the challenges of targeting terrorists’ finances tell us about the evolving terrorist threat.

Questions to check your understanding.

Supplemental readings and other resources.