War on terrorism, 2001- Foreign relations -- 25 Terrorism -- 20 September 11 Terrorist Attacks, 2001 9 Military policy 8 Terrorism 8 Politics and government -- 7 more ... Government policy -- 6 Prevention 6 Security, International 6 World politics -- 6 Iraq War, 2003- 5 History -- 4 Imperialism 4 Political aspects 4 Prevention -- 4 Globalization 3 Globalization -- 3 International relations 3 Islam and politics -- 3 National security -- 3 Persian Gulf War, 1991 3 Anti-Americanism 2 Civil rights -- 2 Foreign public opinion 2 Influence 2 International cooperation 2 Islam 2 Islamic fundamentalism -- 2 Jihad 2 less ...