Respuesta :
It is true that they had the different types of rule as the Italian city-states have always been very self-suficient in a way (mostly politically not so much economically). This lead to a system or method called autonamy where each city-state more or less had the right for self-government. This also depended on the area of life we're referring to.
The answer is: Seigniory
In seignory, the territories within the country is held by several people that had the title as lords. The lords technically still placed below the emperor of the nations, but These lords had the power to call all the shots that would influence all legislation made within their city-states territories.