Robber Baron - A businessman who used ruthless business tactics to earn profit during the 19th century, originally used to characterize Cornelius Vanderbilt.
Gospel of Wealth - An article that says that wealthy Americans have a responsibility to donate money to further social progress and help the poor, written by Andrew Carnegie, who was seen as a robber baron to most people in the Progressive Era
Americanization - A nationwide process in which immigrant schoolchildren were taught the English language and culture in the 20th century, during World War I.
Ellis Island - A small island in the New York Harbor that served as a processing center for most immigrants arriving in America when finding new jobs in the Industrial Revolution.
Political Machine - A political group designed to keep power by providing services to immigrants in exchange for votes, most popular was Tammany Hall and it's boss around the 19th century, William Tweed
Meat Inspection Act - 1906 act that required federal inspection of meat that came about due to the publishing of Upton Sinclair's The Jungle and Progressive Era movements.
Labor Union - An organized association of workers formed to protect and further their rights that grew in popularity due to the worsening work conditions in industrial factories in the 19th century.
Vertical Integration - When a company controls all stages within the businesses on which it depends on, popular with robber barons in the Industrial Revolution.
Horizontal Integration - When a company takes over or buys out a competitor to gain market share, also popular with robber barons in the Industrial Revolution.
Interstate Commerce Commission (ICC) - An organization founded by Roosevelt in 1887 that enforced regulation of railroad states due to anti-railroad protests from the Grange Movement.
Nativism - A preference for native-born people and the desire to limit immigration, due to the amount of immigrants coming to America during the Industrial Revolution
16th Amendment - Amendment which allows Congress to charge an income tax without regard to the States, passed in response to the 1895 Supreme Court case of Pollock v. Farmers' Loan & Trust Co.
17th Amendment - Amendment that provided for the direct election of Senators by the people of a state rather than their election or appointment by a state legislature, proposed in 1912 and became part of the Constitution in 1913.
18th Amendment - Amendment that prohibited the sale of alcohol, also known as Prohibition, in efforts by the temperance movement, which sought to ban alcohol, became part of the Constitution in 1919, but repealed in 1933
19th Amendment - Amendment that granted women's suffrage, part of a movement for women's rights in the United States during the the 1800s and early 1900s.