PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • From Exhibition: A More Perfect Union: Conflict and Compromise II Conflict and Compromise II Category: Unity Even before the Mexican War ended in 1848, the question of whether to allow or prohibit slavery in new western territories threatened to rupture the Union.
http://www.w3.org/ns/prov#wasQuotedFrom
  • visitthecapitol.gov