| A | B |
| acquire | to get. |
| American Federation of Labor | Organization that united skilled workers into national unions for specific industries. |
| Bessemer Process | Process developed in the 1850s that led to faster, cheaper steel production. |
| collective bargaining | technique used by labor unions in which workers act collectively to change working conditions or wages. |
| corporations | a business that sells portions of ownership called stock shares. |
| Haymarket Riot | occured in Chicago over the deaths of two strikers. |
| horizontal integration | owning all the businesses in a certain field. |
| implement | to put in place. |
| Knights of Labor | Secret society that became the first truly national labor union in the U.S. |
| monopoly | a complete control over the entire supply of goods or a service in a particular market. |
| patents | an exclusive right to make or sell an invention. |
| Pullman Strike | Railroad strike that ended when President Grover Cleveland sent in federal troops. |
| Second Industrial Revolution | A period of rapid growth in manufacturing and industry in the late 1800s. |
| Sherman Antitrust Act | Law that made it illegal to create monopolies or trusts that restrained free trade. |
| Social Darwinism | View of society based on Charles Darwin's scientific theory of natural selection. |
| trust | a number of companies legally grouped under a single board of directors. |
| vertical integration | owning all the business involved in each step of a manufacturing process. |
| Homestead Strike | Steel strike in Pennsylvania that erupted in violence between strikers and private detectives. |