International relations Military policy 4 War 3 World politics 3 History -- 2 Low-intensity conflicts (Military science) 2 Military history, Modern 2 more ... World politics -- 2 Developing countries -- 1 Ethnic relations 1 Foreign relations 1 Foreign relations -- 1 International economic relations 1 Military art and science--History--21st century 1 Military art and science--Technological innovations 1 Military relations -- 1 Military relationsUnited States 1 National security 1 National security -- 1 National state 1 Political relations 1 Protracted conflicts (Military science) 1 Security, International 1 Strategy 1 Technological innovations--Political aspects 1 Technology and state--History--20th century 1 Terrorism -- 1 Violence -- 1 War -- 1 less ...