The phrase Dark Ages may refer to the historical time period that was originally used for the Middle Ages. The term came about five hundred years following the fall of Rome. During this time Rome and other surrounding cities really broke down because of different invasions from barbarians who were from northern and central Europe. Since there was no real authority with the power to really protect any of the citizens in these cities, the population declined tremendously at this time. Because of the lack of authority the development of the feudal system greatly suffered. Castles and walled towns were protected by the feudal lords armies and provided security and safety to the peasants and townspeople from the invading barbarians. Church structures