Assertion: gunpowder | /r/HasProperty | replaced by advanced explosives
Facets:
Source sentences:
text: Gunpowder remained of central importance until it was replaced by more advanced explosives beginning in the 1860s.
text: Gunpowder remained of central importance throughout the Early Modern period, and throughout the Napoleonic era, and was only replaced by more advanced explosives beginning in the 1860s.