Economic sanctionsPetroleum industry and trade--Economic aspectsPetroleum industry and trade--Political aspectsEconomic sanctions, AmericanCommerceInternational relationsInternational law
Economic sanctionsPetroleum industry and trade--Economic aspectsPetroleum industry and trade--Political aspectsEconomic sanctions, AmericanCommerceInternational relationsInternational law
EthnologyPetroleum refineriesPetroleum industry and trade--Government policyPetroleum industry and trade--Environmental aspectsPetroleum industry and trade--Political aspectsPetroleum industry and trade--Economic aspectsPetroleum pipelines