About: http://webisa.webdatacommons.org/41707436

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, the nuclear family was an institution that was part of the natural life-course expected of most adults.
http://www.w3.org/ns/prov#wasQuotedFrom	amazon.ca