| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| unrestricted submarine warfare | 1.06 | 0.2 | 8929 | 23 | 30 |
| unrestricted | 1.7 | 0.3 | 7229 | 48 | 12 |
| submarine | 0.39 | 0.3 | 2468 | 41 | 9 |
| warfare | 1.18 | 0.2 | 7302 | 87 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| unrestricted submarine warfare | 1.39 | 0.2 | 4200 | 20 |
| unrestricted submarine warfare definition | 1.49 | 0.6 | 5852 | 6 |
| unrestricted submarine warfare ww1 | 0.21 | 0.5 | 4650 | 82 |
| unrestricted submarine warfare/sussex pledge | 0.56 | 0.9 | 1791 | 9 |
| unrestricted submarine warfare date | 1.69 | 0.9 | 1055 | 96 |
| unrestricted submarine warfare definition ww1 | 0.68 | 0.3 | 5773 | 22 |
| unrestricted submarine warfare ww2 | 0.74 | 1 | 4074 | 10 |
| unrestricted submarine warfare wwi | 0.04 | 0.1 | 9513 | 18 |
| unrestricted submarine warfare significance | 0.19 | 0.6 | 414 | 47 |
| unrestricted submarine warfare facts | 1.58 | 0.4 | 4034 | 13 |
| unrestricted submarine warfare us history | 1.72 | 0.3 | 747 | 5 |
| what is unrestricted submarine warfare | 1.82 | 0.9 | 5266 | 99 |
| what was unrestricted submarine warfare | 0.04 | 0.3 | 7759 | 11 |
| define unrestricted submarine warfare | 1.68 | 0.1 | 9645 | 12 |
| unrestricted submarine warfare meaning | 0.3 | 0.3 | 5267 | 53 |
| german unrestricted submarine warfare | 1.58 | 0.5 | 1821 | 90 |
