| A | B |
| craft union | workers organization of skilled workers in a particular area (like Cigarmakers' Union) |
| industrial union | workers organization that includes both skilled and unskilled worker (United Mine Workers) |
| Knights of Labor | early workers organization that included skilled and unskilled; pushed for equal pay for men and women, no child labor, 8 hour day |
| Haymarket Affair | bombing in Chicago that was blamed on Knights of Labor and ended its influence |
| American Federation Labor | most successful union of late 1800's; made up of many craft unions |
| Samuel Gompers | founder of American Federation of Labor |
| stike | workers walk out and refuse to work or allow others to work until demands are met |
| yellow-dog contract | agreement that a worker will never join a union |
| closed shop | workplace that only hires union members |
| collective bargaining | when a union is recognized by an employer so it can speak for all workers |
| Pullman Strike | railroad workers went on strike over cut wages; federal government attached mail cars to all passenger trains and arrested striking workers |
| Homestead Strike | strike against Carnegie's steel factories; broken by Pinkertons |
| Great Railroad Strike | strike by railroad workers; broken by US troops sent in to attack workers |
| scabs | people hired to replace striking workers |
| role of government | always took the side of big business in strikes |