Government policy -- Terrorism -- 7 Foreign relations -- 4 Prevention -- 4 Politics and government -- 3 Case studies 2 History -- 2 more ... National security -- 2 Case studies -- 1 Civil defense -- 1 Counterinsurgency -- 1 Cross- cultural studies 1 Defenses 1 Democracy -- 1 Economic sanctions, American 1 Emergency management -- 1 Environmental policy -- 1 Foreign relations 1 Guerrillas -- 1 Insurgency -- 1 Iraq War, 2003- -- 1 Military doctrine- -- 1 Military policy 1 Militry policy 1 Nuclear weapons -- 1 Politics and government 1 Pollution -- 1 Protest movements -- 1 Regime change -- 1 Relations 1 less ...