About: http://webisa.webdatacommons.org/401408201

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 the Union navy tightened its blockade of the Texas coast, local planters shipped cotton to Matamoros in long caravans of ox wagons to be exchanged for salt, flour, cloth, and other commodities.
http://www.w3.org/ns/prov#wasQuotedFrom	tshaonline.org