Assertion: obsidian's use | /r/HasProperty | significant contributor
Facets:
value: to mesoamerica's lack of metallurgy
type: OTHER
Source sentences:
text: Obsidian was a highly integrated part of daily and ritual life, and its widespread and varied use may be a significant contributor to Mesoamerica's lack of metallurgy.
text: Obsidian was a highly integrated part of daily and ritual life, and its widespread and varied use may be a significant contributor to Mesoamerica's lack of metallurgy.