Petroleum industry and trade -- Political aspects 5 Government policy -- 4 Energy policy -- 3 Energy policy 2 Forecasting -- 2 Foreign relations -- 2 more ... Petroleum reserves -- 2 Political aspects -- 2 Politics and government -- 2 Bibliography -- 1 China 1 Christianity and politics -- 1 Conservatism -- 1 Debts, Public -- 1 Drug control -- 1 Drug traffic -- 1 Economic aspects 1 Economic conditions -- 1 Economic policy 1 Environmental aspects 1 Fiscal policy -- 1 Foreign economic relations 1 Foreign economic relations -- 1 Government policy 1 History 1 History -- 1 Intelligence service -- 1 International economic relations -- 1 International relations 1 less ...