| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| the origin and history of tribute | 1.58 | 0.9 | 7069 | 29 |
| what is tribute in history | 0.12 | 0.6 | 8108 | 89 |
| tribute definition world history | 1.77 | 0.8 | 2358 | 12 |
| definition of tribute in history | 0.85 | 0.3 | 4877 | 43 |
| tribute definition us history | 0.14 | 0.9 | 6829 | 61 |
| define tribute in history | 1.2 | 0.8 | 536 | 20 |
| tribute meaning in history | 0.54 | 0.4 | 9683 | 27 |
| tribute definition world history simple | 1.11 | 1 | 6660 | 92 |
| what was a tribute | 1.55 | 0.4 | 4113 | 81 |
| have they started the tribute | 0.44 | 1 | 7432 | 97 |
| tribute system definition world history | 0.44 | 0.2 | 6867 | 18 |
| tribute collection definition world history | 1.95 | 0.4 | 4194 | 3 |
| established a tribute empire | 1.13 | 1 | 672 | 56 |
| when was the tribute system established | 0.77 | 0.5 | 8468 | 89 |
| tributes definition and facts | 0.23 | 0.2 | 1426 | 15 |
