In 1200 the stately power was still firmly entrenched in much of Europe ’. L ’ political organization had become more complex. A clear example was the policy of Charlemagne (742-814), King of the Franks who had used, to monitor and faithful aristocrats, a traditional institution, the vassaticum. It was a relationship that tied the Lord of vassals, that made military performance in Exchange for land-owning funds or other assets.
Charlemagne decided to extend this system even for Governors of his empire — Dukes, Earls and marquises that ensured the sovereign military control and support of the various regions and were, at the same time related to the sovereign in a close relationship of fidelity. In return the vassals received sums of money or more or less extensive lands from which they drew annuities. This particular organizational system assumed the name of feudalism.
The need to disseminate and reinforce this organizational system had sprung from the terror and violence that the latest invasions from the 9th to the middle of the 10th century had brought. The Kings had in fact found in a situation that they could no longer ensure a proper ’ safety of its territories and the working classes. The relationship between Kings and aristocrats were in fact become increasingly weak and ineffective, to such an extent that the gentlemen were obliged to build castles, towers and walls that still represent one of the most important medieval symbols.
However it is necessary to specify that in the medieval world castles had not only one for defensive purposes but were also a representation of Majesty and the ’ emblem of Royal power.
L ’ fortification became an important factor in the tensions between the Central Government and the suburbs. The situation was complicated in any case because some gentlemen had delegated custody of individual fortresses to vassals powerful families, fragmenting in districts the United.
The vassalage was soon became hereditary causing a sharp weakening of central power, to such an extent that did not have more control of the beneficiaries of the proxy.
The feudal system was not a’ pyramid organization, in fact, the reports were based on trust and loyalty, but they weren't totally unambiguous.