Economic conditions -- 44 Politics and government -- 40 Economic conditions 24 Social conditions -- 16 Politics and government 15 History -- 10 Social conditions 9 more ... Economic forecasting -- 7 History 7 Congresses -- 5 Forecasting -- 5 Foreign relations 5 Periodicals 5 Periodicals -- 5 Foreign relations -- 4 Congresses 3 Economic policy 3 Civilization 2 National security -- 2 Social control -- 2 20th century 1 Autonomy and independence movements 1 Biography -- 1 China -- 1 Civilization -- 1 Colonies -- 1 Conflict management -- 1 Description and travel -- 1 Directories 1 Economic assistance -- 1 less ...