War on terrorism, 2001- Foreign relations -- 13 Terrorism -- 8 Government policy -- 5 World politics -- 5 Military policy 4 September 11 Terrorist Attacks, 2001 4 more ... Imperialism 3 Politics and government -- 3 Terrorism 3 Civil rights -- 2 Globalization 2 Globalization -- 2 History -- 2 Iraq War, 2003- 2 Jihad 2 Political aspects 2 Prevention 2 Prevention -- 2 Security, International 2 Strategy 2 Anti-Americanism 1 Armed forces 1 Ballistic missile defenses 1 Case studies 1 Cold War -- 1 Foreign public opinion 1 Ideology 1 Influence 1 Information Warfare -- 1 less ...