Politics and government 86 Foreign relations 46 World politics 29 Economic conditions 27 History 23 Social conditions 15 Congresses 8 Economic policy 7 Regionalism 6 Military policy 5 National security 5 Cold War 4 Economic integration 4 Vietnam War, 1961-1975 4 Addresses, essays, lectures 3 Defenses 3 Economic assistance 3 Economic development 3 Economic history 3 International relations 3 Relations 3 Social policy 3 Socialism 3 Asia, Southeastern 2 Biography 2 Capitalism 2 Commercial policy 2 Elections 2 European cooperation 2 Foreign economic relations 2