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 Mine Action
: Vol. 11
, Article 36.
Available at: http://commons.lib.jmu.edu/cisr-journal/vol11/iss2/36