What did the Sherman anti-trust law do?

The Sherman Antitrust Act, enacted in 1890, aimed to combat anti-competitive practices and monopolies in the United States. It prohibited contracts, combinations, or conspiracies that restrained trade and made it illegal to monopolize or attempt to monopolize any part of interstate commerce. The law laid the foundation for antitrust enforcement and has been used to break up large corporations and promote fair competition in the marketplace.