Foreign relations International relations 2,637 Politics and government 792 History 662 World War, 1939-1945 154 World politics 139 Diplomatic history 116 more ... Economic conditions 82 Arab-Israeli conflict 71 Relations 65 World War, 1914-1918 65 Causes 61 Cold War 59 Social conditions 45 Colonies 44 Imperialism 44 Peace 44 International economic relations 41 Vietnam War, 1961-1975 41 Foreign economic relations 40 Eastern question (Far East) 39 Nationalism 39 National security 38 Public opinion 37 Civilization 32 Economic policy 31 Influence 31 Strategic aspects 31 Ethnic relations 27 Military policy 26 less ...