question 10\n5 pts\nwhat sector of big business did john d. rockefeller monopolize in america?\nsteel?\nshipp…

question 10\n5 pts\nwhat sector of big business did john d. rockefeller monopolize in america?\nsteel?\nshipping?\nrailroads?\nalcohol?
Answer
Brief Explanations:
John D. Rockefeller is well - known for monopolizing the oil industry in America through Standard Oil. None of the options provided are correct, but among the given choices, none of them match his actual monopoly. Historically, he had no significant monopoly in steel, shipping, railroads, or alcohol.
Answer:
None of the above