The interest of the Borbonic reforming policy about the interior colonization granted —in the ancient Aragon's Crown lands— many enterprises which, on the second half of the 18th Century, counted with the model of repopulation of Sierra Morena and, from 1772, with die replacement of die Fuero Alfonsino of 1329, a privilege that allowed to get die baronal jurisdiction. That is the way, togheter with repopulation thoughts, it was easy to find, in these proyects, speculative motivations or a way to get into die privileged class.