An internal report of the CIA found that arming rebels in other countries [ has almost never been effective ]( http://www.commondreams.org/news/2014/10/15/cias-own-study-finds-us-arming-foreign-rebels-failed-operation ) . In many cases it was a good thing that this failed, since the US was attacking governments with local support, for reasons of commercial interest.
Ссылка: https://stallman.org/archives/2014-jul-oct.html#20_October_2014_%28CIA_report_on_arming_foreign_rebels%29