Technological changes in the petroleum industry in the late nineteenth century?

A) occurred rapidly and put a premium on refining efficiency.

B) had little impact compared to those in iron and steel.

C)were slow in coming because there was a limited consumer demand for petroleum products.

D) were retarded by the monopolistic control exerted by John D. Rockefeller.

One Response to “Technological changes in the petroleum industry in the late nineteenth century?”

  1. Shannon Says:

    C. Before automobiles, there was a limited consumer demand for petroleum products.