Foreign relations 70 History 44 Politics and government 43 Thesis 34 Economic conditions 31 Congresses 29 Dissertations, Academic 29 National security 28 Southeast Asia 19 Foreign economic relations 18 Relations 18 Islam 15 Terrorism 15 Economic policy 11 Chinese 10 Regionalism 10 Social conditions 10 World War, 1939-1945 10 Defenses 9 Strategic aspects 9 Economic integration 7 Geopolitics 6 Religious aspects 6 Armed Forces 5 Navigation 5 Safety measures 5 Campaigns 4 Civilization 4 Conflict management 4 Economic aspects 4