Assertion: american chestnut | /r/HasProperty | eradicated in first half of the 20th century
Facets:
value: because of the disease
type: CAUSE
value: from eastern north america
type: LOCATION
Source sentences:
text: Chestnut blight has caused devastating losses in North America, where American chestnut (Castanea dentata) was eradicated from eastern North America in the first half of the 20th century because of the disease.