Opec's headquarters in Vienna. The decolonisation movement in the Middle East, as well as the nationalisation of companies, led to the need for an organisation that represents the sovereign producers’ interests. Bloomberg
Opec's headquarters in Vienna. The decolonisation movement in the Middle East, as well as the nationalisation of companies, led to the need for an organisation that represents the sovereign producers’Show more

Explainer: What is Opec?