About: http://webisa.webdatacommons.org/425584502

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Its causes were smallpox, the growing scarcity of game, and war, particularly with the Pawnee, Otoe, and Omaha.
http://www.w3.org/ns/prov#wasQuotedFrom	abc-clio.com