| A | B |
| free enterprise | an economic system in which people can start and run their own business |
| transcontinental railroad | a railroad that crosses a continent |
| capital resources | money needed to run a business |
| invest | to buy a share of a business in hope of making money |
| corporation | a business that sells shares of stock to investors |
| entrepreneur | a person who starts a new business |
| consolidate | to join one business with another |
| refinery | a factory where crude, or raw oil is made into usable products |
| monopoly | to have almost complete control of an industry |
| hub | a city where many trains or planes stop on their way to different places |
| time zone | a region in which a single time is used |
| human resources | a person; worker |
| strike | to stop work in protest of working conditions |
| labor union | a group of workers who take action to better their working conditions |
| federation | an organization made up of many related groups |
| regulate | to control a business with laws |