Assertion: blackface minstrel show | /r/HasProperty | national artform
Facets:
value: by 1848
type: TEMPORAL
Source sentences:
text: By 1848, blackface minstrel shows were the national artform, translating formal art such as opera into popular terms for a general audience.
text: By 1848, blackface minstrel shows were the national artform, translating formal art such as opera into popular terms for a general audience.
text: By 1848, blackface minstrel shows were the national artform, translating formal art such as opera into popular terms for a general audience.