Extremely arid and almost entirely sand and gravel, the sparsely populated territory of Western Sahara was a protectorate of Spain until the 1970s. Despite internal calls for independence, the king of neighboring Morocco led a march of more than 300,000 unarmed Moroccans into the territory as a show of support for annexation. Known as the Green March, the mass demonstration led to Spanish withdrawal, but control of the region is still contested. What other group claims the territory?
Source: The Free Dictionary