away from an oligopoly of dominant Anglo-American oil firms, the Seven Sisters. Coordination among oil-producing states within OPEC made it easier for them to nationalize oil production and structure oil prices in their favor without incurring punishment by Western governments and firms.

Prior to the creation of OPEC, individual oil-producing states were punished for taking steps to alter the governing arrangements of oil production within their borders. States were coerced militarily (e.g. in 1953, the