Answer:
The correct answer is C, OPEC
Explanation:
The railway commission of texas is a state agency that regulates surface coal and uranium mining, the oil and gas industry, pipeline safety, utilities, safety in the liquefied petroleum gas industry, it started as part of the regulatory Movement of the Progressive Era and is known as the state's oldest regulatory agency.
Beginning from the 1930's to the 1960's it largely set world oil prices, but was removed by OPEC (Organization of Petroleum Exporting Countries) after 1973
