About: http://webisa.webdatacommons.org/276580369

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	When PRC was at odds with USSR between 1960s and early 1990s, the Sino-Mongolian border was heavily guarded due to Soviet stationing of troops and tanks in Mongolia when the latter was a puppet.
http://www.w3.org/ns/prov#wasQuotedFrom	economist.com