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The Editors of Encyclopaedia Britannica Below is the article summary. For the full article, see Sherman Antitrust Act.Sherman Antitrust Act, (1890)First U.S. legislation enacted to curb concentrations of power that restrict trade and reduce economic competition. Proposed by Sen. John Sherman, it made illegal all attempts to monopolize any part of trade or commerce in the U.S. Initially used against trade unions, it was more widely enforced under Pres. Theodore Roosevelt. In 1914 Congress strengthened the act with the Clayton Antitrust Act and the formation of the Federal Trade Commission. In 1920 the U.S. Supreme Court relaxed antitrust regulations so that only “unreasonable” restraint of trade through acquisitions, mergers, and predatory pricing constituted a violation. Later cases reinforced the prohibition against monopoly control, including the 1984 break-up of AT&T. See also antitrust law.
United States, country in North America, a federal republic of 50 states. Besides the 48 conterminous states that occupy the middle latitudes of the continent, the United States includes the state of Alaska, at the northwestern extreme of North America, and the island state of Hawaii, in the
23rd president of the United StatesBenjamin Harrison was the 23rd president of the United States (1889–93), a moderate Republican who won an electoral majority while losing the popular vote by more than 100,000 to Democrat Grover Cleveland. Harrison signed into law the Sherman Antitrust Act (1890),