Long ago, a war happened in a desert. 

A long time ago, a war started in the desert. 

For a long time, Spain ruled a place called Spanish Sahara. In 1975, Spain left the area. Two neighbors, Morocco and Mauritania, took control of the land. 
The war began in 1975. The Polisario Front fought against both Morocco and Mauritania. They used guerrilla warfare. This means they used quick, surprise attacks in the desert. 
To protect its land, Morocco built a huge sand wall. This is called the Moroccan Wall. It helped keep Polisario troops out of some areas.
The Western Sahara War was a long and difficult conflict in North Africa. It lasted from 1975 to 1991. The main fight was between Morocco and a group called the Polisario Front. This group wanted to create an independent state for the Sahrawi people. 
The conflict began because of how Spain left the area. In 1975, Spain signed the Madrid Accords. This agreement gave control of the land to Morocco and Mauritania. However, the land did not officially belong to them. To show they wanted the land, Morocco organized the Green March. About 350,000 Moroccan citizens marched into the territory. They were joined by around 20,000 troops to establish a presence.
The Polisario Front used a special way of fighting called guerrilla warfare. This means they used quick, surprise attacks in the desert. They wanted to force an end to foreign rule. The group was formally started on May 10, 1973, in the city of Zouérat. Their first leader was a man named El-Ouali Mustapha Sayed. 
Mauritania was also part of the war for a short time. They fought from 1975 until 1979. During the war, the Polisario Front attacked important places like the iron mines in Zouerate. This made it very hard for the Mauritanian government to keep going. In 1979, Mauritania signed a peace treaty and left the conflict. 
For many years, the war reached a stalemate. This means neither side could win a big victory. To stop the attacks, Morocco built a huge sand wall. This is known as the Moroccan Wall. It helped protect the areas Morocco controlled, like El-Aaiun and Smara. 
The Western Sahara War was a major armed conflict in North Africa. It lasted from 1975 to 1991. The war was fought primarily between Morocco and the Polisario Front. The Polisario Front is a Sahrawi nationalist group. They wanted to establish an independent state for the Sahrawi people. 
The roots of the war lie in the history of Spanish Sahara. Spain had claimed a protectorate over the coast starting in 1884. Later, they expanded their control and formed the province of Spanish Sahara in 1958. For many years, the indigenous Saharan population resisted Spanish rule through raids and rebellions. One leader, Ma al-Aynayn, led an uprising against the French in the 1910s. Eventually, joint Spanish and French forces subdued the territory in 1934. Even after that, unrest continued through the 1950s and 1960s. This long history of resistance helped lead to the creation of organized nationalist movements.
The Polisario Front was formally established on May 10, 1973, in Zouérat, Mauritania. Its first Secretary General was El-Ouali Mustapha Sayed. The group aimed to use military force to end Spanish colonization. Their first major action was the Khanga raid on May 20, 1973. During this raid, they overran a Spanish post and seized rifles. 
The war began in earnest when Spain prepared to withdraw. In November 1975, the Madrid Accords were signed. This agreement transferred administrative control of the territory to Morocco and Mauritania. However, Spain did not transfer actual sovereignty over the land. To establish a presence, Morocco organized the Green March. About 350,000 Moroccan citizens marched into the territory, escorted by 20,000 troops. This event pressured Spain to negotiate the handover. As Moroccan troops advanced, tens of thousands of Sahrawis fled into the desert. They built improvised refugee camps in places like Amgala, Tifariti, and Umm Dreiga.
After the Spanish withdrawal in early 1976, the fighting intensified. The Polisario Front proclaimed the Sahrawi Arab Democratic Republic on February 27, 1976. They began a guerrilla war against both Morocco and Mauritania. Morocco took control of the northern two-thirds of the territory. Mauritania took control of the southern third under a partition agreement. The Polisario Front moved its base to Tindouf in western Algeria. There, they established more refugee camps in May 1976. They used hit-and-run tactics to strike Moroccan and Mauritanian forces.
Mauritania was involved in the conflict from 1975 to 1979. However, their small army of 3,000 men struggled to fight the Polisario. The guerrillas attacked the iron mines at Zouerate, which hurt Mauritania's economy. Internal unrest and ethnic tensions also weakened the Mauritanian military. France even intervened with air support to protect French technicians. 
From the mid-1980s, the war reached a stalemate. Morocco built a massive sand structure known as the Moroccan Wall.
The Western Sahara conflict has since changed its nature. It has shifted from a military war to a period of civilian resistance. A permanent solution has not yet been reached through the peace process. Today, much of the territory is under Moroccan control. The inland parts are governed by the Sahrawi Arab Democratic Republic, managed by the Polisario Front. The issue of Sahrawi refugees remains a major part of the ongoing situation.
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