What was Andrew Carnegie able to create by buying up all aspects of the steel industry?

Andrew Carnegie was able to create a vertically integrated steel empire by acquiring control over all aspects of the steel production process, from raw materials to transportation and manufacturing. This approach allowed him to reduce costs, improve efficiency, and maintain quality control, ultimately making steel more affordable and accessible. Carnegie's strategy not only revolutionized the steel industry but also contributed significantly to the industrialization of the United States. His success established him as one of the wealthiest individuals of his time.