Sherman Antitrust Act

Sherman Antitrust Act, first legislation enacted by the U.S. Congress (1890) to curb concentrations of power that interfere with trade and reduce economic competition. It was named for U.S. Sen. John Sherman of Ohio, who was an expert on the regulation of commerce. One of the act’s main provisions outlaws all combinations that restrain trade between states or with foreign nations. This prohibition applies not only to formal cartels but also to any agreement to...