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.

in which two ways were the northeast woodland indians and the southeast indians similar? both collaborated to form the iroquois confederacy. both cultivated the crops of corn, beans, and squash. both lived in rich environments of swamps and rivers. both lived in tree-bark dwellings called wigwams. both expected men to hunt, while women farmed.