Respuesta :

There were several reasons for the fall of the Roman Empire. Each one intertweaved with the other. Many even blame the initiation of Christianity for the decline. Christianity made many Roman citizens into pacifists, making it more difficult to defend against the barbarian attackers.
LREH

Answer:

Invasion by barbarian tribus.

Explanation:

One of the most popular theory about the fall of the Roman Empire is referred for Western Rome's Collapse pins the fall on a string of military loses sustained against outside forces.

There is another thesis which is concerned to the many even blame the initiation of christianity for the decline.