| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | ancient currency | ancient Mesoamerican civilizations | Ancient Mesoamerican civilizations used cacao beans and feathers as currency in addition to precious metals. | 1 |
| 2 | human sacrifice | ancient Mesoamerican civilizations | Human sacrifice was a ritualistic practice in ancient Mesoamerican civilizations for religious purposes. | 1 |