Assertion: gunpowder's use | /r/HasProperty | obsolete
Facets:
value: in most nations
type: LOCATION
Source sentences:
text: By the fourth century BC the Chinese during the Warring States period (403–221 BC) began to use cavalry against rival states, and by 331 BC when Alexander the Great defeated the Persians the use of chariots in battle was obsolete in most nations; despite a few ineffective attempts to revive scythed chariots.