By the time Spain abandoned its Western Saharan claims in 1976, three warring factions had emerged, taking up arms over custody of the territory: Morocco seeking southern annexation, Mauritania seeking northern annexation, and Saharan natives seeking to establish their own nation, the Saharawi Arab Democratic Republic.
"Morocco and Western Sahara,"
Journal of Conventional Weapons Destruction: Vol. 11
, Article 36.
Available at: http://commons.lib.jmu.edu/cisr-journal/vol11/iss2/36