Assertion: mosquito's population | /r/HasProperty | viable option
Facets:
value: from malaria
type: OTHER
value: from yellow fever
type: OTHER
value: no longer
type: TEMPORAL
Source sentences:
text: So when the indigenous populations of the Americas were no longer viable option for a slave labor force with the near extermination or 95 percent death rate of indigenous people across the Americas, partly from malaria and yellow fever, a substitute was needed.