About: http://webisa.webdatacommons.org/142886470

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	Slavery in the American south screwed with labor markets and caused all kinds of problems, same as what is noted near the end of the article.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com