rockefeller+and+standard+oil-b

= Rockefeller and standard oil =

=== by the 1880s, the company controlled about 90 percent o f the oil refining industry in the U.S. ===
 * === John D Rockefeller started the oil refineries in Pennsylvania instead of just drilling holes hoping to strike it rich, by the 1870,s his company, Standard Oil, was the largest oil refiner in the nation. He started to buy out all of his competitors after that. ===