About: http://webisa.webdatacommons.org/19925006

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	Until the 1960s, it was mainly a phenomenon of the left ??? led by such figures as Thomas Jefferson, Andrew Jackson, William Jennings Bryan and Franklin Roosevelt.
http://www.w3.org/ns/prov#wasQuotedFrom	djournal.com