Which circumstance most directly resulted from the fall of the western roman empire?

I believe the answer is: the formation of feudal kingdoms

Feudal kingdoms refers to a kingdom which is ruled by several lords who owned the lands and had the right to hire Vassals for their disposal in the kingdom.

When roman empire fell, the high status people from the roman empire separate themselves into several territory and bring their military influence with them. They established ownership to the residual land of the empire, and lead to the creation of feudal system.

comparison is that they aren't nationalistic. a dif is that sds is government approved movemnet while yaf isnt \

it isnt that hard

explanation: