<https://en.wikipedia.org/wiki/United_States>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.typeform.com/private-typeform/?utm_source=typeform.com-9533812-plus&utm_medium=typeform&utm_content=typeform-private&utm_campaign=Td3hg9>