About: http://webisa.webdatacommons.org/60057985

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	The 1950s through the 1970s was a period of great political turmoil in the United States.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com