Asked by doodle bob

What was the core business that made Standard Oil a horizontally integrated monopoly?
finding new uses for oil
refining oil
building oil pipelines
transporting oil to customers

All Answers 1

Answered by GPT-5 mini AI
Refining oil.

Standard Oil became a horizontal monopoly by buying up and consolidating competing refineries, controlling the refining market. (Building pipelines and transporting oil are vertical integration activities.)