History 22 Politics and government 22 Foreign relations 18 Communism 12 Arms race 5 Economic conditions 4 Military policy 4 Terrorism 4 Congresses 3 Democracy 3 Economic policy 3 Intelligence service 3 Nuclear weapons 3 Prevention 3 World War, 1939-1945 3 Balance of power 2 Campaigns 2 China 2 Civilization 2 Communist countries 2 Communist parties 2 Deterrence (Strategy) 2 Economic aspects 2 Economic assistance 2 Finance 2 Foreign economic relations 2 Nationalism 2 Nuclear energy 2 Nuclear nonproliferation 2 Pearl Harbor (Hawaii), Attack on, 1941 2