||In the early 4th century AD, the Roman Empire was undergoing a tremendous turmoil, including plague, barbarian invasions, deep recession, civil wars, coups, etc. They only had themselves to blame. Most of this had been brought on by Rome's utterly dismal economic condition.
The government simply did not have enough money to sustain its operations, let alone pay for all the generous welfare programs needed to placate the population. (Sound familiar?)