Foreign relations Politics and government 502 History 469 World politics 143 World War, 1939-1945 110 Cold War 93 National security 93 Diplomatic history 92 Military policy 90 Imperialism 78 Economic conditions 63 Security, International 60 International relations 55 Political aspects 47 Causes 43 Foreign economic relations 43 Social conditions 43 Relations 41 Addresses, essays, lectures 39 Colonies 36 Public opinion 32 Philosophy 30 Terrorism 30 War on Terrorism, 2001- 30 Nationalism 29 Sources 29 Economic integration 28 Influence 27 Economic policy 25 Globalization 25