| A | B |
| terrorism | the unlawful use of (or threatened use of) force or violence against individuals or societies, often to achieve political, religious, or ideological objectives. |
| terrorist | a person(s) who commit acts of terrorism. |
| al Qaeda | a terrorist network intensely opposed to the United States that dispenses money and logistical support and training to a wide group of radical terrorist groups. |
| radical | a person who advocates thorough or complete political or social reform. |
| coercion | the practice of persuading someone to do something by using force or threats. |
| jihad | a holy struggle or striving by Muslims for a moral, spiritual, or political goal. |
| bioterrorism | terrorism involving the release of toxic biological agents. |
| ecoterrorism | the action of causing deliberate environmental damage in order to further political ends. |
| cyberterrorism | the politically motivates use of computers and information technology to cause severe disruption or widespread fear in society. |
| assassin | a murderer of an important person in a surprise attack for political or religious reasons. |
| civil liberties | rights and freedoms that protect an individual from the state. |
| US Patriot Act | a statute enacted by the United States government and signed into law by President George W. Bush on October 26th 2001. |
| enemy combatant | refers to a person designated as an enemy fighter, even if he/she is not a member of an army. |
| Taliban | a fundamentalist Muslim movement whose militia took central of much of Afghanistan from early 1995, and in 1996 took Kabul and set up a radical Islamic state. |
| Pentagon | a building serving as the headquarters of the US Department of Defense near Washington, DC. |
| Islamic fundamentalist | a term used to describe religious ideologies seen as advocating a return to the "fundamentals" of Islam. |
| Allies | a state formally cooperating with another for a military or other purpose. |
| bin Laden | Arab terrorist who established al Qaeda - born in 1957 and died in 2011. |
| domestic terrorism | terrorism practices in your own country against your own people. Example: the 1995 bombing of a federal building in Oklahoma City. |
| CIA | an independent agency of the United States government responsible for collecting and coordinating intelligence and counterintelligence activities abroad in the national interest. |
| suicide | relating to or denoting a violent act or attack carried out by a person who does not expect to survive it. |
| intelligence | the collection of information of military or political value. |
| counterintelligence | activities designed to prevent or thwart spying, intelligence gathering, and sabotage by an enemy of other foreign entity. |
| national security | the requirement to maintain the survival of the nation-state through the use of economic, military, and political power. |
| War on Terror | a campaign initiated by the US government under President George W. Bush which includes various military, political, and legal actions taken to "curb the spread of terrorism". |