Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Cahokia Mounds State Historic Site' has mentioned 'North America' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| Clair County, Illinois, U.S.Nearestxc2xa0cityCollinsville, IllinoisCoordinates38xc2xb039xe2x80xb214xe2x80xb3N 90xc2xb03xe2x80xb252xe2x80xb3Wxefxbbxbf / xefxbbxbf38.65389xc2xb0N 90.06444xc2xb0Wxefxbbxbf / 38.65389; -90.06444Coordinates: 38xc2xb039xe2x80xb214xe2x80xb3N 90xc2xb03xe2x80xb252xe2x80xb3Wxefxbbxbf / xefxbbxbf38.65389xc2xb0N 90.06444xc2xb0Wxefxbbxbf / 38.65389; -90.06444Area2,200 acres (8.9xc2xa0km2)Governingxc2xa0bodyIllinois Historic Preservation Agency UNESCO World Heritage SiteOfficial nameCahokia Mounds State Historic SiteTypeCulturalCriteriaiii, ivDesignated1982 (6th session)Referencexc2xa0no.198State PartyUnited StatesRegionEurope and North America U.S. National Register of Historic PlacesOfficial nameCahokia MoundsDesignatedOctober 15, 1966[1]Referencexc2xa0no.66000899 U.S. National Historic LandmarkOfficial nameCahokia MoundsDesignatedJuly 19, 1964[1] | WIKI |
| This period appears to have fostered an agricultural revolution in upper North America, as the three-fold crops of maize, beans (legumes), and gourds (squash) were developed and adapted or bred to the temperate climates of the north from their origins in Mesoamerica. | WIKI |
| The decline of the city coincides with the Little Ice Age, although by then, the three-fold agriculture remained well-established throughout temperate North America. | WIKI |
| Separated into four types, each from a different geographical region, the arrowheads demonstrated Cahokia's extensive trade links in North America. | WIKI |