This document discusses trusts in business history and current antitrust laws. It describes how trusts in the 1800s controlled major industries like railroads and oil. President Theodore Roosevelt then enforced antitrust laws like the Sherman Act and Clayton Act to break up these large trusts. The document lists these key antitrust acts from 1890 to 1914 and types of anti-competitive behaviors they address such as predatory pricing, tying arrangements, and price gouging.