About: http://webisa.webdatacommons.org/201710230

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	Article 1, Section 8 enumerates the powers of Congress, including the power to establish and maintain post offices, along with roads to support the service.
http://www.w3.org/ns/prov#wasQuotedFrom	constitutioncenter.org