About: http://webisa.webdatacommons.org/435296906

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	Poverty, injustice and the threat of violence haunted South Africa in the years Mandela was a prisoner.
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org