| A | B |
| Andrew Carnegie | Created Carnegie Steel Company |
| vertical integration | Buying out suppliers to control the raw material and transportation systems. |
| horizontal integration | Companies producing similar products are merged. |
| Social Darwinism | A way to justify the doctrine of laissez faire or the belief that the marketplace should not be regulated. |
| John D. Rockefeller | Founder of the Standard Oil Company which combined oil compnies into a trust agreement. |
| Sherman Antitrust Act | Made it illiegal to form a trust that interfered with free trade between states or with other countries. |
| Samuel Gompers | Led the Cigar Makers' International Union to join with other craft unions. |
| American Federation of Labor (AFL) | Focsed on collective bargaining to reach written agreements on wages, hours, and working conditions. |
| Eugene V. Debs | Attempted to form a union of skilled and unskilled workers called the American Railway Union. |
| Industrial Workers of the World (IWW) | A group of radical unionists and socialists called the Wobblies. |
| Mary Harris Jones | The most prominent organizer in the woman's labor movement. |