| A | B |
|---|
| natural gas. | A fuel found underground that can be burned to make light and heat. |
| big business. | Term for large companies with many factories that do business throughout the United States. |
| inventor. | A person who comes up with new ideas for products and new ways of doing things. |
| crude oil. | Oil,or petroleum,that still in the ground and has not been change by people. |
| refinery. | A place where a raw substance such as crude oil is separated into parts that are used to make different products. |
| kerosene. | A fuel made from oil used for lighting,for cooking,and in jet aircraft engines. |
| ethnic group. | A group of people who share the same language,customs,or history. |
| tenement. | A crowded,poorly kept apartment building. |
| settlement house. | A place that offered education,hot meals and other types of services to immigrants. |
| reform. | To change to make things better. |
| sweatshop. | A factory where workers are paid low wages and work in unhealthy conditions. |
| labor union. | A group of workers that organizes to make agreements with its employers. |
| strike. | A refusal of a group of workers in a business to work until the owners meet its demands. |
