The sustainability conditions linked to the necessary elements production for the family group survival was previously solved in most cases; something that completely changes when they become another urban inhabitant because of its previous situation before they were displaced and the States responsibility in the phenomenon.
Igualmente las condiciones de sostenibilidad ligadas a la producción de los elementos necesarios para la subsistencia del grupo familiar en la mayoría de los casos estaban resueltas. Caso contrario a lo que le sucede al convertirse en un habitante urbano más.