National security -- Defenses 2 Military policy 2 Terrorism -- 2 Civil defense -- 1 Congress 1 Emergency management -- 1 more ... Executive power -- 1 Foreign relations -- 1 Government policy -- 1 Intelligence service -- 1 Nuclear weapons information -- 1 Planning. -- 1 Politics and government -- 1 Prevention -- 1 Prevention. -- 1 World politics -- 1 less ...