About: http://webisa.webdatacommons.org/214560200

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 secrecy of the regime made the historical study of the Soviet Union, especially Stalin and his era difficult.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org