| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| 4. how were cowboys impacted by railroads | 0.16 | 0.4 | 599 | 4 |
| how did railroads impact native americans | 1.94 | 0.3 | 8138 | 97 |
| how did railroads affect the cattle industry | 1.75 | 0.6 | 9673 | 97 |
| how did the railroad affect native americans | 0.97 | 0.8 | 2097 | 73 |
| how did railroads impact the united states | 0.89 | 1 | 5730 | 60 |
| how did the railroads impact america | 0.91 | 1 | 335 | 56 |
| what were the effects of the railroads | 0.7 | 0.5 | 8736 | 75 |
| how did railroads affect america | 1 | 0.3 | 208 | 71 |
| what impact did railroads have | 1.78 | 0.1 | 221 | 87 |
| how did railroads impact the civil war | 0.78 | 0.5 | 9362 | 8 |
| how did railroads impact westward expansion | 0.51 | 0.5 | 7439 | 26 |
| american railroads impacted the country | 0.97 | 0.7 | 7937 | 91 |
| how did the railroads affect cities | 0.42 | 0.3 | 4734 | 2 |
| how did the railroad impact the world | 1.14 | 0.5 | 6762 | 32 |
| how did the railroad affect the economy | 1.98 | 0.7 | 4646 | 48 |
| list 6 effects of the railroad | 1.16 | 0.1 | 1698 | 87 |
| what problems did railroad workers face | 1.95 | 0.8 | 1380 | 62 |
