| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| the completion of the railroads caused a | 0.71 | 0.9 | 3963 | 78 | 40 |
| the | 0.27 | 0.1 | 5993 | 83 | 3 |
| completion | 1.98 | 0.6 | 1371 | 9 | 10 |
| of | 0.68 | 0.2 | 7157 | 61 | 2 |
| the | 0.41 | 0.6 | 6863 | 27 | 3 |
| railroads | 1.4 | 1 | 2154 | 71 | 9 |
| caused | 1.91 | 0.2 | 2063 | 100 | 6 |
| a | 1.34 | 0.6 | 1706 | 7 | 1 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| the completion of the railroads caused a | 0.3 | 0.4 | 5487 | 39 |
| the dramatic expansion of the railroad | 1.93 | 0.2 | 7660 | 51 |
| what were created due to the railroad | 1.27 | 1 | 2212 | 96 |
| most railroad crashes are the result of | 0.92 | 0.1 | 8069 | 15 |
| how did railroads develop so quickly | 1.04 | 0.7 | 6845 | 100 |
| development of the railroad | 0.22 | 0.4 | 2243 | 4 |
| the impact of the railroads | 1.5 | 0.3 | 3935 | 51 |
| what did railroads cause | 1.49 | 0.2 | 6258 | 67 |
| in recent years railroads have been combining | 1.81 | 0.9 | 6187 | 17 |
| the history of the railroad | 1.47 | 0.7 | 3957 | 24 |
| railroads created the first quizlet | 1.9 | 0.2 | 5970 | 79 |
| expansion of the railroad | 1.02 | 0.9 | 8210 | 12 |
| improtance of railroads in early america | 1.83 | 0.5 | 2554 | 10 |
| the growth of railroads | 1.67 | 0.1 | 1246 | 64 |
| why was the railroad built | 0.37 | 0.7 | 1218 | 20 |
| creation of the railroad | 1.83 | 0.7 | 9602 | 7 |
| railroad construction in the 1800s | 1.48 | 0.1 | 922 | 75 |
| how did the railroad start | 0.97 | 0.9 | 9437 | 64 |
| how was railroad construction made possible | 0.41 | 0.9 | 4277 | 53 |
| railroad development in the 1800s | 0.24 | 0.2 | 9723 | 16 |
| encyclopedia britannica railroad history | 1 | 0.9 | 9820 | 100 |
