In an outstanding analysis of a comprehensive subject, Lieutenant Murphy discusses the "popular causes" which are exploited by insurgents and the compatibility of these causes to the precepts set forth in the American Declaration of Independence, and then analyzes some of the factors of instability which might be conducive to insurgent movements.
Murphy, Thomas F.
"Correspondence Course School: Correspondence Courses in Perspective,"
Naval War College Review: Vol. 20
, Article 6.
Available at: http://digital-commons.usnwc.edu/nwc-review/vol20/iss4/6