| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| why was the inca road system important | 0.54 | 1 | 1651 | 46 |
| what was the inca road system | 0.93 | 0.8 | 3326 | 43 |
| why did the inca make a road | 1.38 | 0.3 | 813 | 5 |
| how did inca develop their road system | 1.2 | 0.6 | 9688 | 54 |
| why did the inca build roads | 0.11 | 0.9 | 4646 | 68 |
| inca road system facts | 0.45 | 0.7 | 2541 | 85 |
| why was inca roads so impressive | 0.57 | 0.8 | 9515 | 50 |
| what were the inca roads used for | 1.33 | 0.3 | 3624 | 90 |
| road system of inca | 0.06 | 0.5 | 9846 | 44 |
| inca road system wikipedia | 0.95 | 0.7 | 2780 | 4 |
| how long was the inca road system | 0.5 | 0.2 | 6654 | 62 |
| when was the inca road system built | 1.98 | 0.6 | 8943 | 10 |
| map of inca road system | 0.62 | 0.1 | 398 | 2 |
| inca empire road system | 1.33 | 0.9 | 5051 | 67 |
| what did the inca use for transportation | 1.65 | 0.6 | 1505 | 60 |
| how many roads did the inca have | 0.83 | 0.7 | 4687 | 87 |
