Assertion: city's resident | /r/CapableOf | leave the city
Facets:
value: in many american cities
type: LOCATION
value: for the suburban areas
type: TRANSITIVE-OBJECT
value: by the 1960s
type: TEMPORAL
Source sentences:
text: By the 1960s, white residents in several neighborhoods left the city for the suburban areas – in many American cities, a process known as white flight – as Blacks continued to move beyond the Black Belt.