| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how did the machine gun impact ww1 | 0.7 | 0.4 | 2585 | 32 |
| machine gun impact on ww1 | 0.98 | 0.7 | 5623 | 68 |
| what impact did the machine gun have in ww1 | 0.09 | 0.9 | 6803 | 8 |
| how the machine gun changed ww1 | 0.25 | 0.8 | 2313 | 28 |
| how did machine guns change ww1 | 1.18 | 0.5 | 1835 | 39 |
| how did machine guns help ww1 | 0.37 | 1 | 5391 | 15 |
| how did machine guns develop in ww1 | 1.95 | 0.4 | 6141 | 7 |
| how were machine guns effective in ww1 | 1.04 | 0.4 | 4514 | 70 |
| machine gun wwi impact | 0.24 | 0.8 | 2062 | 17 |
| why were machine guns important in ww1 | 1.32 | 0.4 | 6165 | 81 |
| significance of machine guns in ww1 | 0.09 | 0.5 | 7301 | 58 |
