Question

How did John D. Rockefeller secure his monopoly in 1882?
He created a trust that controlled oil wells, refineries, and distributors.
He broke up his company so it could operate in more than forty states.
He purchased coal plants around the country to add to his business.
He purchased iron mines around the country to add to his business.
option 1 2 3 or4

Answers

GPT-4o mini
John D. Rockefeller secured his monopoly in 1882 primarily by creating a trust that controlled oil wells, refineries, and distributors. Therefore, the correct option is:

**Option 1: He created a trust that controlled oil wells, refineries, and distributors.**