| A | B |
| transcontinental railroad | railroad that connected the eastern and western United States |
| Charles Crocker | leader of the Central Pacific Railroad |
| General | Union general who led the Union Pacific railroad |
| Leland Stanford | drove the last spike into the railroad |
| Promontory Point | town in Utah where the transcontinental railroad was joined |
| Chinese | minority workers hired by the Central Pacific railroad |
| golden spike | the last spike driven |
| telegraph | method of disseminating information |