Assertion: slum's community | /r/AtLocation | manhattan's west side
Facets:
value: by the early 20th century
type: TEMPORAL
value: across the harlem river
type: LOCATION
value: into the south bronx
type: TRANSITIVE-OBJECT
value: gradually
type: TEMPORAL
Source sentences:
text: Gradually this African-American community moved to Manhattan's West Side and to undeveloped lands on the north end of the island in the famous Harlem by the early 20th century and across the Harlem River into the South Bronx, as the city developed northward.