Government policy -- Terrorism -- 13 Foreign relations -- 11 Prevention -- 7 Politics and government -- 5 Nuclear weapons -- 4 History -- 3 more ... Military policy 3 Case studies 2 Economic sanctions, American 2 National security -- 2 Politics and government 2 Relations 2 War on Terrorism, 2001-2009 2 Arms transfers -- 1 Case studies -- 1 Civil defense -- 1 Commerce -- 1 Counterinsurgency -- 1 Cross- cultural studies 1 Defence -- 1 Defenses 1 Democracy -- 1 Deterrence (Strategy) 1 Emergency management -- 1 Emigration and immigration -- 1 Environmental policy -- 1 Foreign relations 1 Government publications -- 1 Guerrillas -- 1 less ...