History -- Politics and government -- Economic conditions -- 18 Social conditions -- 6 Economic conditions 4 History 3 Socialism -- 3 more ... Communism -- 2 Foreign relations -- 2 Social conditions 2 Addresses and lectures 1 Cities and towns -- 1 Colonies -- 1 Ecology 1 Foreign economic relations 1 Foreign relations 1 Gas industry -- 1 Globalization -- 1 Human rights -- 1 Islam and state -- 1 Islamic world -- 1 Kings and rulers 1 Maps 1 Peronism -- 1 Petroleum industry and trade -- 1 Political culture -- 1 Power (Social sciences) -- 1 Regional issues 1 Revolutions -- 1 Social conflict -- 1 less ...