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Global Terrorism Trends
Explore terrorism trends through five data charts that help show the threat of terrorism around the world and how it has changed over time.

What Is Terrorism?
Learn how terrorists have sought to achieve their goals all over the world with this video on terrorism.

Terrorism and the Media
How do terrorists use the media? From Osama bin Laden to the Islamic State, learn how terrorists use internet and media coverage to shape their goals.

How a Single Phrase Defined the War on Terror
What is the 2001 AUMF and what does it have to do with 9/11? From the invasion of Afghanistan, to the Iraq War, and more, learn how the United States justified U.S. counterterrorism policy for over two decades.

The History of Terrorism and U.S. Counterterrorism Since 1945
From the creation of the CIA to the “War on Terror,” learn about the evolution of U.S. counterterrorism policies in this terrorism timeline.

Who Counts As a Terrorist?
What are the major types of terrorism? From foreign groups to domestic threats, learn how the U.S. government defines terrorism and its legal consequences.

What the World’s Terrorist Groups Have in Common
From the KKK to al-Qaeda, learn how strong ideology motivates terrorist groups to commit violence, no matter their goals.

Tools of Counterterrorism
What is counterterrorism? Learn how governments try to prevent terrorist attacks in this video on terrorism.

History of U.S. Immigration Policy
Explore how the United States has responded to migrants throughout history—from the Chinese Exclusion Act to DACA—and how immigration policy influences the society, economy, and politics of a country.

How Companies and Governments Do (and Don’t) Protect Your Data
The spread of the internet has far outpaced domestic and international privacy laws, making global coordination difficult and leaving personal data vulnerable.