Assertion: obsidian | /r/HasProperty | a side trade element
Facets:
value: both
type: MANNER
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.