Politics and government 16 History 10 Diplomatic relations 9 Foreign relations 9 Economic conditions 4 Economic policy 4 Education 4 Government policy 4 Social conditions 4 Civilization 3 Foreign economic relations 3 Foreign relations administration 3 International economic relations 3 Political activity 3 Industries 2 Older people 2 Petroleum industry and trade 2 Population 2 Technological innovations 2 Western influences 2 Administrative agencies 1 Administrative procedure 1 Aggressiveness 1 Agricultural development projects 1 Agricultural ecology 1 Agricultural pollution 1 Agriculture 1 Arab-Israeli conflict 1 Arms control 1 Boundaries 1