Assertion: polio | /r/CapableOf | become with major epidemics
Facets:
value: in 1900’s
type: TEMPORAL
value: in the u.s.
type: LOCATION
value: in europe
type: LOCATION
Source sentences:
text: Polio has existed as long as human society, but became a public health issue in the 1800’s and 1900’s, with major epidemics in Europe and the U.S.