Theodore Roosevelt became President after McKinley's assassination. As President, he established himself as a "trustbuster", filing suits against large businesses and monopolies. He supported conservation efforts and passed laws regulating the food and drug industries. His successor, Taft, continued Progressivism by prosecuting trusts and expanding regulations. Woodrow Wilson was then elected on his New Freedom platform of destroying trusts. As President, he cut tariffs and established the Federal Reserve. He also passed antitrust and workers' rights laws to regulate business and support labor.