Assertion: gypsy moth | /r/CapableOf | spread since its introduction
Facets:
value: in 1868
type: TEMPORAL
value: in 1869
type: TEMPORAL
value: west
type: LOCATION
value: into the united states
type: TRANSITIVE-OBJECT
Source sentences:
text: Since its introduction into the United States in 1868 or 1869, it has spread both west and south, now taking over most of the hardwood forests in the eastern United States and Canada  
text: Since its introduction into the United States in 1868 or 1869, it has spread both west and south, now taking over most of the hardwood forests in the eastern United States and Canada