 The younger Clayton studied law at the University of Alabama, and embarked on a political career in the Democratic Party in 1880.In 1910, as head of the House Judiciary Committee, he successfully prosecuted the impeachment of Robert W. Archbald, a Commerce Court judge accused of profiting from his position.His best-known accomplishment was passage of the Clayton Antitrust Act, a significant amendment to the Sherman Antitrust Act.