| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| united states history research paper topics | 0.06 | 0.7 | 1969 | 11 |
| interesting us history research paper topics | 0.87 | 0.5 | 2038 | 6 |
| best us history research paper topics | 0.92 | 0.2 | 9898 | 29 |
| research paper topics about history | 1.41 | 1 | 1814 | 27 |
| us history topics to research | 0.04 | 0.4 | 6905 | 85 |
| us history paper topics | 0.69 | 0.3 | 9506 | 70 |
| research topics in american history | 1.83 | 0.2 | 4499 | 13 |
| us history research topic | 0.95 | 0.2 | 742 | 76 |
| historical research paper topics | 1.9 | 0.6 | 1430 | 21 |
| american history paper topics | 1.04 | 0.5 | 6779 | 55 |
