Select ALL the correct answers.

Each of the sentences below accurately describes the practices of the Standard Oil Company during the Gilded Age. Which two also fit the definition of a monopoly?

- It controlled 90 percent of the US oil refining industry.
- It paid Its workers higher wages than most other companies.
- It gave consumers free lamps to create demand for its kerosene.
- Its directors focused on driving competitors out of business. ​