Foreign relations Military policy Foreign relations -- 4 Ethnic relations 2 National security -- 2 Security, International 2 Arms race 1 more ... Crusades 1 Defense policy 1 Developing areas -- 1 Economic conditions 1 Foreign study -- 1 Historiography 1 History 1 History. -- 1 International agencies -- 1 International law 1 Intervention (International Law) 1 Militarism -- 1 National characteristics, American 1 National security 1 National security strategy -- 1 Nationalism -- 1 Nuclear nonproliferation -- 1 Peacekeeping -- 1 Philosophy 1 Politics and government 1 Politics and government -- 1 Social conditions 1 Weapons of mass destruction -- 1 less ...