| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| railroads in the 1850s | 0.28 | 0.3 | 1264 | 49 | 22 |
| railroads | 1.94 | 0.4 | 980 | 6 | 9 |
| in | 0.96 | 0.4 | 9897 | 54 | 2 |
| the | 1.33 | 0.5 | 2019 | 82 | 3 |
| 1850s | 1.66 | 0.2 | 8592 | 34 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| railroads in the 1850s | 0.34 | 0.9 | 2176 | 77 |
| railroads in the 1860s | 1.38 | 1 | 8784 | 13 |
| railroads in the 1800s | 1.29 | 0.4 | 7737 | 26 |
| railroads in the 1800s maps | 0.83 | 0.7 | 8684 | 22 |
| railroads in the 1800s facts | 1.6 | 0.3 | 2484 | 20 |
| railroads in texas in the 1850s | 0.88 | 0.8 | 3506 | 31 |
| who started the underground railroad in 1850 | 1.46 | 0.1 | 1152 | 95 |
| railroads in texas in the 1850s quizlet | 0.88 | 0.7 | 3803 | 56 |
| the growth of railroads in the 1850s | 1.24 | 0.8 | 6185 | 5 |
| the growth of railroads in the 1850s quizlet | 1.62 | 0.8 | 7258 | 74 |
| who founded the underground railroad in 1850 | 1.46 | 0.1 | 1426 | 39 |
