B. a period of (economic) disorder and weak central government were two immediate results of the fall of Rome.
The Dark Ages is a historical periodization that emphasizes the cultural and economic deteriorations that occurred in Europe following the decline of the Roman Empire. It is characterized by a relative scarcity of historical records and other writings, at least for some areas of Europe. The Feudalism was a mode of social and political organization based on servant-contract relations. It has its origins in the decay of the Roman Empire. It prevailed in Europe during the Middle Ages.