How did John D. Rockefeller horizontally integrate his monopoly in 1880?He purchased iron mines around the country to add to his business.He created a trust that controlled ninety percent of the nation's oil refineries.He created a trust that controlled oil wells, refineries, and distribution networks.He purchased coal plants around the country to add to his business.NextSave and ExitMark this and return

When a company expands immensely at one step of the supply chain and establishes a virtual monopoly…

How did John D. Rockefeller horizontally integrate his monopoly in 1880? He purchased iron mines around the country to add to his business. O He created a trust that controlled ninety percent of the nation's oil refineries O He created a trust that controlled oil wells, refineries, and distribution netwo O He purchased coal plants around the country to add to his business.

How did John D. Rockefeller horizontally integrate his monopoly in 1880? He purchased iron mines around the country to add to his business. O He created a trust that controlled ninety percent of the nation's oil refineries O He created a trust that controlled oil wells, refineries, and distribution netwo O He purchased coal plants around the country to add to his business.