Brokerage firms: Businesses that invest money for clients.

Merger: The union of two or more businesses or corporations.

Philanthropic: Charitable.

Progressivism: A movement that began late in the nineteenth century whose followers pursued social, economic, and government reform. Generally located in urban areas, Progressivists ranged from individuals seeking to improve local living conditions to radicals who pursued sweeping changes in the American political and economic system.

Prosecuting attorney: The attorney who represents the government in a law case.

Solicitor general: An attorney appointed by the president to argue legal matters on behalf of the government.

Tariff: A tax placed on imported goods to raise their price and make them less attractive than goods produced by the nation importing them.

Trusts: A legal combination of firms and businesses formed to dominate a business sector and squash competition.