| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how did railroads affect society | 1.36 | 0.9 | 6823 | 54 |
| how did the railroad affect society | 0.83 | 0.2 | 1778 | 21 |
| how did railroads affect the economy | 1.23 | 0.6 | 9536 | 6 |
| how did railroads affect local communities | 1.55 | 0.2 | 8062 | 74 |
| how did railroads affect america | 0.15 | 0.3 | 7580 | 78 |
| how did the railroads affect cities | 1.13 | 0.2 | 7257 | 71 |
| how did railroads impact america | 1.03 | 1 | 1278 | 85 |
| social impacts of railroads | 1.42 | 0.5 | 1436 | 80 |
| the impact of the railroads | 0.7 | 1 | 5866 | 30 |
| how did railroads impact the united states | 0.35 | 0.7 | 6349 | 37 |
| how did the railroad impact the world | 1.61 | 0.8 | 4629 | 33 |
| what were the effects of the railroads | 0.23 | 1 | 5742 | 66 |
| what were effects of the railroad system | 0.68 | 0.3 | 2885 | 60 |
| the impact of railroads in america | 0.11 | 0.5 | 9973 | 80 |
