Assertion: cholera | /r/HasProperty | major threat
Facets:
value: in many third world countries
type: LOCATION
value: because of water treatment
type: CAUSE
value: in the united states
type: LOCATION
value: by 1870
type: TEMPORAL
value: because of improved sanitation
type: CAUSE
value: no longer
type: TEMPORAL
Source sentences:
text: By 1870, cholera was no longer a major threat in the United States because of improved sanitation and water treatment.
text: This is why in many third world countries cholera is still a major problem while in westernized nations it is a rare occurence that a cholera disease or outbreak would spread.
text: Some of the regions where cholera is still a major health threat include:
text: It is known as a major threat in parts of India and Sub-Saharan Africa.