One of the Results from the Formation of OPEC in 1960

Multiple Choice

One of the results from the formation of OPEC in 1960 was that

A) the prices of oil are set by governments and not petroleum companies.
B) prices remained very constant between 1960 and 2014.
C) the United States would reduce their dependency on Canadian petroleum.
D) the prices of oil are now determined purely by market forces.
E) the petroleum corporations from the developed countries could stop their exploration of new oil reserves.