| Clue | Source | Date |
|---|---|---|
| They built ancient wonders like Machu Picchu, Sacsayhuaman, and Pisac (2 wds.) | ||
| South American domain name | LA Times Daily | 12 Oct 2024 |
| Atahualpa's realm | Universal | 30 Mar 2021 |
| Pre-Columbian power | ||
| Ancient South American power | ||
| *Andean realm | Wall Street Journal | 22 Feb 2016 |