| A | B |
| Reconstruction | Rebuilding. |
| black codes | Laws limiting the rights of former enslaved people in the South. |
| acquit | Not guilty. |
| freedmen | Men,women,and children who had been enslaved. |
| sharecropping | A system of working the land in which the worker was paid by letting them keep a share of the crops they harvested. |
| secret ballot | A voting method that does not allow anyone to know how a person has voted. |
| segregation | The practice of keeping people in separate groups based on their race or culture, |
| prospector | A person who searches for gold,silver,or other miniral resouces. |
| boom | A time of fast economic or population growth. |
| bust | A time of fast economic decline. |
| homesteader | A person who settled on the land granted by the government. |
| reservation | Land set aside by the government for use of Native Americans. |
| transcontinental railroad | The railroad that crossed North America. |
| skyscraper | A very tall steel-framed building. |
| petroleum | Oil. |
| labor union | A workers group that fights for better conditions and pay. |
| strike | The stopping of work to make employers meet worker's demands. |
| collective bargaining | A process that allows employers and workers to discuss on working conditions. |
| tenement | A poorly build apartment building. |
| reformer | A person who tries to improve society. |
| settlement house | A place that provided food,healthcare,and clases for immigrants. |