History -- World politics -- 20th century 1 20th century -- 1 Arms control -- 1 Arms race -- 1 Defense industries -- 1 more ... Democracy -- 1 Foreign relations -- 1 Human rights 1 International relations 1 Military art and science -- 1 Military policy 1 Military weapons -- 1 Nuclear arms control -- 1 Race relations -- 1 Racism -- 1 Reorganization 1 less ...