| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how did the railroads affect cities | 0.65 | 0.4 | 2474 | 10 |
| how did railroads affect the growth of cities | 1.69 | 0.3 | 5140 | 72 |
| how did railroads affect local communities | 0.67 | 0.4 | 9727 | 57 |
| how did the railroad affect the economy | 0.68 | 0.3 | 8000 | 41 |
| how did railroads affect society | 0.43 | 0.6 | 2772 | 90 |
| how did building railroads affect the economy | 0.33 | 0.3 | 6939 | 9 |
| how did railroads affect america | 0.39 | 0.4 | 8232 | 6 |
| how did railroads impact the united states | 0.7 | 0.5 | 6141 | 1 |
| how did the railroads impact america | 1.04 | 1 | 4044 | 52 |
| the impact of the railroads | 0.23 | 0.4 | 1210 | 8 |
| how did the railroad impact the world | 0.42 | 0.5 | 3793 | 30 |
| what were the effects of the railroads | 0.84 | 0.4 | 2563 | 71 |
| how railroads affected society | 0.57 | 1 | 5426 | 28 |
| effect of railroads on the united states | 1.38 | 0.2 | 9203 | 53 |
| the impact of railroads in america | 0.6 | 0.4 | 1118 | 2 |
| railroads impact on the environment | 0.32 | 1 | 3616 | 77 |
| what were effects of the railroad system | 1.72 | 0.1 | 5807 | 9 |
