About: http://webisa.webdatacommons.org/423912690

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	He held that slavery was a necessary evil as long as negroes remained in the United States, and he further maintained that negroes did not hold citizenship and therefore could not sue in a Federal court.
http://www.w3.org/ns/prov#wasQuotedFrom	ibiblio.org