About: http://webisa.webdatacommons.org/428128321

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	Urbanization increased as the population grew, bringing problems such as slums, impure water, rats, and foul sewage. ??? ??? ??? The South, 1850 Plantation system: Cash crops grown by slave labor.
http://www.w3.org/ns/prov#wasQuotedFrom	quizlet.com