Assertion: obsidian | /r/HasProperty | key element
Facets:
value: both
type: DEGREE
value: to teotihuacan's rise to power
type: TRANSITIVE-OBJECT
Source sentences:
text: Obsidian has both been seen as a key element to Teotihuacan's rise to power and as a side trade element that simply augmented their already developing wealth.
text: Obsidian has both been seen as a key element to Teotihuacan's rise to power and as a side trade element that simply augmented their already developing wealth.