Defenses Military policy 34 Foreign relations 26 Politics and government 26 Armed Forces 21 History 16 Disarmament 13 World War, 1939-1945 11 Economic aspects 9 Economic conditions 7 Strategy 7 Colonies 6 Military geography 6 Strategic aspects 6 Congresses 5 History, Military 5 World War, 1914-1918 5 World politics 5 Arms control 4 Arms race 4 Economic policy 4 Military art and science 4 National security 4 Nuclear disarmament 4 Nuclear weapons 4 Security, International 4 Appropriations and expenditures 3 Defense industries 3 Militarism 3 Nuclear arms control 3