Historians generally begin forming historical arguments in order to a. differentiate between primary and secondary sources b. avoid having to use rhetoric to support their arguments. c. prepare a large amount of evidence for interpretation d. offer possible answers to historical questions

Which statement best describes standard oil in the late 1800s? standard oil controlled only a small number of the nation’s oil refineries. standard oil was a single business that operated in a small region. standard oil controlled only the means and methods of oil production. standard oil owned ninety percent of all oil refineries in the united states.