<http://webisa.webdatacommons.org/256177634>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/418412246>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/256177634> .
<http://webisa.webdatacommons.org/256177634>	<http://www.w3.org/ns/prov#value>	"Water supplies were contaminated; and also, in addition, at that time, people were not assured of the food and other requirements they needed." .
<http://webisa.webdatacommons.org/256177634>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<who.int> .