Decolonization 3 History 3 Natural resources Petroleum industry and trade 3 Political aspects 3 1949-1975 2 Developing countries 2 more ... Entkolonialisierung 2 Erdölindustrie 2 Erdölpolitik 2 Erdölwirtschaft 2 Foreign relations 2 Mineralölwirtschaft 2 OPEC-Staaten 2 Organization of Petroleum Exporting Countries 2 Postkolonialismus 2 Souveränität 2 Ölkrise 2 1900-1999 1 20th century 1 Decolonization ; Developing countries ; History ; 20th century 1 Developing countries ; Foreign relations 1 Diplomatic relations 1 Economic aspects 1 Natural resources ; Political aspects ; Developing countries ; History ; 20th century 1 Organization of Petroleum Exporting Countries ; History ; 20th century 1 Petroleum industry and trade ; Political aspects ; Developing countries ; History ; 20th century 1 Sovereignty 1 less ...