After the fall of the western roman empire, what filled the void left by the disintegration of the political structure?
dark ages.
enlightenment.
golden age.
renaissance.

The void was filled by the Dark Ages. After the fall of the Western Roman Empire, there were barbarians that were threateing all around Europe and who did not wish for the progression of society and humanity. They only cared about pillaging and looting - hence the name dark ages.