Question

How did horizontal integration enable rockefeller to monopolize the u.s oil industry?

Answer 1

It allows Rockefeller's corporation produced its own tank cars, pipelines, and even its own wooden barrel.
Since Rockefeller own every aspect of the production, his company is not relying on anybody and no-one will be able to influence him in determining the price for the oil product, which lead to complete monopoly on that certain sector

Answer 2

Answer:

Explanation:

It allows Rockefeller's corporation produced its own tank cars, pipelines, and even its own wooden barrel.