| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| african kingdoms that sold slaves | 0.53 | 0.6 | 7940 | 71 |
| african slave trading kingdoms | 0.44 | 0.1 | 6574 | 64 |
| were slaves sold by african kings | 1.82 | 0.3 | 7980 | 63 |
| african kingdoms before slavery | 0.16 | 0.6 | 2354 | 31 |
| who in africa sold the slaves | 0.61 | 0.7 | 4785 | 33 |
| what african tribes sold slaves | 1.82 | 0.6 | 816 | 61 |
| west african kingdoms and the slave trade | 1.48 | 0.8 | 8226 | 85 |
| what tribe sold slaves in africa | 0.61 | 0.8 | 4178 | 50 |
| were slaves sold from africa | 1 | 0.1 | 3784 | 3 |
| why did the african kings sell slaves | 1.01 | 0.2 | 3860 | 84 |
| other world kingdom slaves | 1.89 | 0.4 | 6610 | 23 |
| did african kings supply slaves | 1.01 | 0.6 | 3644 | 85 |
| which tribes in africa sold slaves | 0.95 | 0.3 | 3350 | 20 |
| did africa sell slaves | 0.74 | 0.8 | 5823 | 14 |
| african kings and black slaves | 0.69 | 0.7 | 790 | 65 |
| african slaves in africa | 0.64 | 0.3 | 252 | 50 |
| african kings and slave trade | 0.25 | 0.5 | 5800 | 78 |
| kingdom of dahomey slave trade | 0.12 | 0.8 | 7578 | 42 |
| slave sales in africa | 1.27 | 0.1 | 8223 | 52 |
