About: http://webisa.webdatacommons.org/302706538

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	They suggest that the United States and other developed nations have already progressed through two evolutionary stages and are entering a third stage.
http://www.w3.org/ns/prov#wasQuotedFrom	nap.edu