Apentix/AP US History/Unit 6: Period 6 (1865-1898)/Question
AP US Historyeasymcq1 pt

John D. Rockefeller's Standard Oil achieved control of the petroleum industry mainly by

A.horizontal integration and trusts that absorbed or underpriced rival refiners
B.owning every oil well in the country
C.a congressional charter making it the sole legal oil company
D.cooperative agreements that left rival firms independent

Explanation

Core Concept

Standard Oil bought out competitors and organized them under a trust, then used its size to negotiate favorable railroad rates. By the 1880s it controlled roughly 90 percent of the nation's oil refining.

Correct Answer

Ahorizontal integration and trusts that absorbed or underpriced rival refiners

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