Question

how did carnegie’s purchase of allegheny steel help him form a monopoly?
the purchase helped
carnegie produce steel
more efficiently.
the purchase helped
carnegie control most of
the rail lines.
the purchase gave
carnegie access to raw
materials.
the purchase gave
carnegie control of coke
production.

Explanation:

To determine the correct answer, we analyze the context of Carnegie's monopoly formation. The purchase of Allegheny Steel (which was related to rail lines) would help Carnegie control most of the rail lines. Controlling rail lines is crucial for transporting steel products and gaining a competitive edge, aiding in monopoly formation. The other options: producing more efficiently is not directly tied to this purchase, access to raw materials is not the main impact here, and control of coke production is unrelated to Allegheny Steel's rail - related nature.

Answer:

The purchase helped Carnegie control most of the rail lines.