| A | B |
| Edwin L. Drake | Fisrt person to successfully use a stem engine to drill for oil. |
| Bessemer proccess | Injecting air into molten iron to remove the carbon and other impurities. |
| Thomas Alva Edison | Perfected the first incandescent lightbulb and invented a system for distributing electrical power. |
| Christopher Sholes | Invented the typewriter in 1867. |
| Alexander Graham Bell | Invented the telephone in 1876. |
| transcontinental railroad | Central Pacific and Union Pacific met to create the first railway spanning the nation. |
| George M. Pullman | Built a factory for manufacturing sleepers and othr railroad cars. |
| Credit Mobilier | A corrupt construction company that overcharged to lay track. |
| Munn v. Illinois | A Supreme Court case that allowe the states to regulate the railroads for the farmers and consumers. |
| Interstate Commerce Act | Established the right of the federal government to supervise railroad authorities. |
| Andre 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. |