What was the core business that made standard oil a horizontally integrated monopoly?

refining oil

Explanation:

Horizontal integration refers to a company that holds control over a specific part of the production process by managing most or even all of the resources required for that distinct step of production.

Furthermore, a company that gets to own every single part of the production process, is a horizontal monopoly. The idea of a horizontally integrated monopoly was made popular by John D. Rockefeller’s Standard Oil company.

answer; slavery should be outlawed in the new country, was part of the initial draft of the declaration of independence, but not part of the final

many women had to remain at home while husbands found work.

explanation: