Politics and government 909 World politics 277 World War, 1939-1945 194 World War, 1914-1918 111 Economic conditions 105 Military policy 100 Diplomatic history 99 more ... Catholic Church 77 International relations 77 Causes 72 Economic policy 72 Cold War 61 Foreign economic relations 61 Social conditions 61 Peace 56 Relations (diplomatic) 56 Public opinion 55 Communism 54 Eastern question (Far East) 54 National security 52 Relations 50 Holocaust, Jewish (1939-1945) 49 Vietnam War, 1961-1975 47 Statesmen 45 Diplomats 39 Civilization 38 Neutrality 37 Arab-Israeli conflict 33 Presidents 32 Colonies 31 less ...