Terrorism -- Terrorism 13 Prevention -- 12 Government policy -- 9 Prevention 7 National security -- 6 Congresses 5 more ... Government policy 5 Congresses -- 4 Foreign relations 4 Foreign relations -- 3 Islam 3 Islam and politics -- 3 Prevention. -- 3 Religious aspects -- 3 Civil defense -- 2 Economic sanctions, American 2 History -- 2 Insurgency -- 2 International cooperation 2 Islam -- 2 Islam and state -- 2 Politics and government 2 Politics and government -- 2 Relations 2 September 11 Terrorist Attacks, 2001 -- 2 Southeast Asia -- 2 Suicide bombers -- 2 Suicide bombings -- 2 War on terrorism, 2001- 2 less ...