Assertion: rice | /r/HasProperty | spread through river trade
Facets:
value: presumably
type: OTHER
value: within mainland southeast asia
type: LOCATION
Source sentences:
text: Within Mainland Southeast Asia, rice was presumably spread through river trade between the early Hmong-Mien-speakers of the Middle Yangtze basin and the early Kra-Dai-speakers of the Pearl River and Red River basins, as well as the early Austroasiatic-speakers of the Mekong River basin.