Andrew Carnegie's acquisition of Allegheny Steel through vertical integration allowed him to form a steel monopoly, controlling production costs and dominating the market.
Andrew Carnegie's purchase of Allegheny Steel contributed significantly to the formation of his monopoly. By gaining control of coke production and acquiring new access to the raw materials he needed, Carnegie was able to lower costs and dominate the steel market through vertical integration, owning mines, railroads, and other suppliers to ensure a quality product at competitive prices.
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