In the following years, however, slums called ''musseques'' — which had existed for decades —  began to grow out of proportion and stretched several kilometres beyond Luanda's former city limits as a result of the decades-long civil war, and because of the rise of deep social inequalities due to large-scale migration of civil war refugees from other Angolan regions. For decades, Luanda's facilities were not adequately expanded to handle this huge increase in the city's population.