About: http://webisa.webdatacommons.org/375382767

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 transition itself was especially facilitated by the development of effective and cheap birth control devices such as the condom and diaphragm.
http://www.w3.org/ns/prov#wasQuotedFrom	what-when-how.com