Assertion: grassland's area | /r/ObjectUse | used for farming
Facets:
value: previously
type: TEMPORAL
Source sentences:
text: In addition to preservation policies, there have also been efforts to restore the already destroyed grasslands by planting grasses in areas that were previously used for farming.
text: Since so much of the grassland biome has been utilized for farmland, the United States has made efforts to restore the grassland by planting grasses in areas previously used for farming.