Economic conditions -- 63 Politics and government -- 61 Economic conditions 50 Politics and government 27 Social conditions -- 22 Social conditions 18 History 14 more ... History -- 12 Foreign relations -- 9 Foreign relations 8 Economic forecasting -- 7 Periodicals 6 Periodicals -- 6 Congresses -- 5 Forecasting -- 5 Economic policy 4 Congresses 3 Description and travel 3 National security -- 3 Civilization 2 Culture -- 2 Development planning -- 2 Laos -- 2 Political stability -- 2 Social control -- 2 Socialism -- 2 20th century 1 Agriculture 1 Agriculture -- 1 Autonomy and independence movements 1 less ...