<http://dbkwik.webdatacommons.org/resource/9kHE5QI724mKRQ7VRCRTXw==>	<http://purl.org/dc/terms/subject>	<http://dbkwik.webdatacommons.org/resource/nx7NCxKy3yMOOq1ozBW_Hw==> .
<http://dbkwik.webdatacommons.org/resource/9kHE5QI724mKRQ7VRCRTXw==>	<http://www.w3.org/2000/01/rdf-schema#label>	"What was the importance of railroads and canals in America gerography and economics"@en .
<http://dbkwik.webdatacommons.org/resource/9kHE5QI724mKRQ7VRCRTXw==>	<http://purl.org/dc/terms/subject>	<http://dbkwik.webdatacommons.org/resource/8JUmALkNtpLA3vocp2mV3Q==> .