Why did the Western Roman Empire Collapse?

Encyclopedia of Opinion

Question: Why did the Western Roman Empire Collapse?
Position‹3 of 4›: Internal Conflict

Some historians believe the decline of Rome stretches all the way back to the Severan dynasty in the 2nd century when the military emperors eroded the seriousness of Roman high office. Rome became an ineffectual and corrupt empire from then onwards.

Supporting arguments · 1

Constant Civil Wars
The Roman Empire during the 2nd and 3rd century was increasingly run by military men who undermined the integrity of the state. Multiple military candidates led to constant civil war and economic problems. This model sees a slow decline in stability starting with the Severan dynasty.