The ager Campanus have been the only territory to become Roman ager publicus in its entirety, complete with buildings, although it is thought by some that Telesia also had all of its territory confiscated. It is generally thought that Rome confiscated the best arable land and that this was usually turned into pasture, thus contributing to the destruction of small and medium-sized farms. There is undoubted evidence that this change of use did occur in certain specific areas, but it cannot be considered the norm, as the conditions and methods of farming in second-century Italy were extremely varied. During the second century BC. The establishment and spread of Rome's political predominance in the Mediterranean basin brought with it growing commercial and economic expansion as well as the benefits that sprang directly from the military victories. The transformation of society and of the agrarian economy was but the final unfolding of a situation which had been developing since the third century.