About: http://webisa.webdatacommons.org/447651176

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	Europe was a major market for both of these commodities and the Union???s naval blockade of its harbours proved to be very difficult for the South.
http://www.w3.org/ns/prov#wasQuotedFrom	historylearningsite.co.uk