Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
railroad expansion late 19th century | 0.7 | 0.5 | 5624 | 9 |
late 19th century railroads | 1.93 | 0.5 | 7728 | 50 |
railroads in the 19th century | 1.87 | 1 | 3295 | 5 |
railroad expansion us history | 1.79 | 0.1 | 1765 | 6 |
expansion of the railroad | 0.36 | 0.3 | 7276 | 98 |
railroad development in the 1800s | 0.6 | 0.9 | 8225 | 1 |
railroads and western expansion | 0.44 | 0.5 | 4317 | 58 |
the dramatic expansion of the railroad | 1.93 | 0.2 | 3614 | 34 |
late 19th century trains | 1.95 | 1 | 5483 | 75 |
railroads in the late 1800s | 1.1 | 0.1 | 7221 | 9 |
the railway in the nineteenth century | 0.53 | 0.9 | 5248 | 88 |
railroads in the early 1900s | 1.91 | 0.5 | 7573 | 81 |
expansion of railroads in america | 0.4 | 0.7 | 7058 | 42 |
railroad construction in the 1800s | 1.8 | 1 | 527 | 68 |
railroads during westward expansion | 0.05 | 0.8 | 3690 | 88 |
the growth of railroads in the 1850s | 0.14 | 0.8 | 6954 | 62 |
railroad in the 1800s | 0.58 | 1 | 4810 | 88 |
expansion of railroads definition | 0.03 | 0.8 | 6506 | 74 |
railroads in the early 1800s | 1.53 | 0.1 | 8753 | 27 |
railroads built in the 1800s | 0.67 | 0.3 | 8034 | 55 |
in recent years railroads | 0.69 | 0.4 | 6631 | 69 |