About: http://webisa.webdatacommons.org/242051925

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	Slaves were used especially in the winter months, and conditions tended to be much harsher than in plantation agriculture because of the solitary and migratory nature of the work.
http://www.w3.org/ns/prov#wasQuotedFrom	ncpedia.org