1949-1975 2 Decolonization Developing countries 2 Entkolonialisierung 2 Erdölindustrie 2 Erdölpolitik Erdölwirtschaft 2 more ... Foreign relations 2 History 2 Mineralölwirtschaft 2 Natural resources 2 OPEC-Staaten 2 Organization of Petroleum Exporting Countries 2 Petroleum industry and trade 2 Political aspects 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 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 less ...