History -- National security -- Terrorism -- 4 Foreign relations -- 3 Government policy -- 3 Political aspects -- 2 Prevention -- 2 more ... 20th century. -- 1 21st century. -- 1 Atomic bomb -- 1 Cross- cultural studies 1 Defenses -- 1 Executive power -- 1 Foreign relations 1 History 1 History. -- 1 International relations 1 Low-intensity conflicts (Military science) 1 Military policy -- 1 Natinal security -- 1 Political oratory -- 1 Rhetoric -- 1 Source -- 1 Sources -- 1 Violence -- 1 World politics -- 1 less ...