TENDED ESSAY : Thesis : A peaceful march was smart strategy from the king Hassan II, the call for volunteers from the local population, ordinary citizens to walk in a march called the green march by the locals and recognized by the world under this name, and by the country of the western Sahara the BLACK march, it was of a paramount importance for territorial integrity of the country of Morocco, in order to bring back the colonized Sahara. But yet not efficient, because even if Spain was forced