History Foreign relations 83 Cold War 59 Political aspects 19 Politics and government 17 Relations 16 World politics 14 more ... Government policy 13 Espionage, Soviet 10 Intellectual life 10 Nuclear weapons 10 Social aspects 10 Spies 10 Espionage, American 9 Political and social views 7 Space race 7 Astronautics and state 6 Exploration 6 Nuclear arms control 6 Ambassadors 5 Diplomatic history 5 Great powers 5 Intelligence officers 5 Military policy 5 National security 5 Public opinion 5 World War, 1939-1945 5 American literature 4 Atomic bomb 4 Avant-garde (Aesthetics) 4 less ...