About: http://webisa.webdatacommons.org/202665645

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	Forty years ago, about quarter of American workers belonged to unions, and those unions were a major economic and political force.
http://www.w3.org/ns/prov#wasQuotedFrom	hbr.org