Government policy Petroleum industry and trade Political aspects 23 Energy policy 22 History 18 Politics and government 17 Environmental aspects 8 more ... Economic aspects 6 Economic policy 5 Gas industry 5 Natural resources 5 Petroleum 5 Renewable energy sources 5 Social aspects 5 Social conditions 5 Foreign relations 4 Petroleum law and legislation 4 Petroleum reserves 4 Foreign economic relations 3 Imports 3 Monarchy 3 Petroleum conservation 3 Petroleum products 3 Political stability 3 Prices 3 Public opinion 3 Water 3 Water resources development 3 Bureaucracy 2 Civil war 2 less ...