Terrorism Terrorism -- 19 Prevention 6 World politics -- 5 Security, International 4 War on terrorism, 2001- 4 International relations 3 more ... Prevention -- 3 Forecasting 2 Foreign relations 2 Foreign relations -- 2 Globalization 2 Guerrilla warfare 2 History -- 2 Political violence 2 Social conflict 2 Child terrorists 1 Cold War 1 Communism -- 1 Counterinsurgency 1 Economic aspects 1 Espionage,American -- 1 Fanaticism 1 Government policy -- 1 Guerrila warfare -- 1 Guerrillas 1 History 1 Hostage negotiations 1 Intelligence service 1 International cooperation 1 less ...