| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| labor history of the united states wikipedia | 0.29 | 0.7 | 4719 | 5 |
| history of labor in the united states | 0.73 | 0.6 | 3352 | 96 |
| history of labor in the us | 1.54 | 0.1 | 8756 | 80 |
| labor in america a history | 1.23 | 0.8 | 2146 | 68 |
| a short history of american labor | 1.89 | 1 | 7412 | 97 |
| union labor history in united states | 1.6 | 0.5 | 629 | 61 |
| history of organized labor in the us | 0.72 | 0.2 | 6626 | 70 |
| us department of labor history | 1.27 | 0.6 | 9259 | 94 |
| history of the department of labor | 0.19 | 0.5 | 8243 | 97 |
| history of organized labor in america | 0.46 | 0.5 | 378 | 6 |
| history of division of labor | 1.08 | 0.9 | 7006 | 47 |
| today in labor history | 0.58 | 1 | 5849 | 95 |
| labor union history in america | 1.19 | 0.9 | 9821 | 9 |
| when was labor created | 0.59 | 0.8 | 3205 | 19 |
| when was labor founded | 0.61 | 1 | 4484 | 57 |
| when did labor start | 1.51 | 0.9 | 6830 | 3 |
| labor union us history | 1.62 | 0.2 | 7889 | 20 |
| us labor history timeline | 0.84 | 1 | 4344 | 51 |
| labor in history government | 0.02 | 0.5 | 2459 | 66 |
| when was labor formed | 1.39 | 0.7 | 6632 | 50 |
