Democracy in Brief
Full text: http://www.oercommons.org/courses/democracy-in-brief/view
Full text: http://www.boundless.com/political-science/
Full text: http://solr.bccampus.ca:8001/bcc/file/a6069643-4347-4730-8180-da6eb76fa137/1/american-government-12.1.pdf
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