Assertion: mountain | /r/CapableOf | provide the boundary
Facets:
value: including the parthian and roman empires
type: OTHER
value: between cultural and political entities
type: OTHER
value: traditionally
type: OTHER
Source sentences:
text: The mountains are an imposing natural barrier and have traditionally provided the boundary between cultural and political entities, including the early Mesopotamian and Median cultures, the Parthian and Roman empires, and, more recently, the Persian and Ottoman empires.