| A | B |
| Thomas A. Edison | inventor who developed the idea of a central electric power station |
| Alexander Graham Bell | inventor who established the American Telephone and Telegraph Company |
| anarchists | political radicals who oppose all government |
| Andrew Carnegie | industrialist who preached the “gospel of wealth” |
| Henry Bessemer | inventor who developed a new way to make steel |
| scabs | workers called in to replace striking workers |
| Samuel F. B. Morse | inventor who patented the telegraph |
| John D. Rockefeller | industrialist who established Standard Oil |
| Chief Joseph | led the Nez Percé in their flight from the United States Army |
| Exodusters | migrated to western lands to escape racial violence faced in the South |
| William Jennings Bryan | ran as the Democratic and Populist Party nominee in the presidential election of 1896 |
| boomers | raced across Indian Territory to stake land claims |
| Chief Sitting Bull | led the Sioux in war after the federal government allowed miners on Sioux reservation |
| land speculators | bought up large areas of land in the hope of selling it later for a profit |
| the Grange | helped farmers form cooperatives |
| George Armstrong Custer | led the United States cavalry at the Battle of Little Bighorn |