U.S. Steel, or the United States Steel Corporation, is one of the largest steel producers in the United States, founded in 1901 through the merger of several steel companies, including Andrew Carnegie's Carnegie Steel Company. This company became a major player in the American industrial landscape and played a significant role in the formation of trusts and monopolies, as well as in the context of antitrust legislation aimed at regulating monopolistic practices in the early 20th century.
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