Assertion: gunpowder | /r/HasProperty | known in the west
Facets:
Source sentences:
text: This transpired long before gunpowder was known in the West, but development in China stagnated.
text: This transpired long before gunpowder was known in the West, but development in China stagnated.
text: This transpired long before gunpowder was known in the West, but development in China stagnated.