About: http://webisa.webdatacommons.org/333051827

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 sent letters to cabinet members including Edward Bates, Salmon Chase, and Gideon Welles inquiring whether the president had constitutional authority to collect duties ranging from an import tariff to a property tax.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org