Antitrust laws are regulations designed to promote fair competition and prevent monopolies in the marketplace. These laws aim to protect consumers by ensuring that no single company can dominate an industry, which can lead to higher prices and fewer choices. By regulating business practices, antitrust laws help maintain a level playing field for all companies, encouraging innovation and better services. In the United States, key antitrust laws include the Sherman Act, the Clayton Act, and the Federal Trade Commission Act. These laws empower government agencies, like the Federal Trade Commission (FTC), to investigate and take action against companies that engage in unfair practices or attempt to stifle competition.