About: http://webisa.webdatacommons.org/448404072

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	By the mid-1960s, however, the United States and other developed countries became convinced that population control was an absolute necessity, especially in the developing world.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com