But the Christian belief in one god — who was not the emperor — weakened the authority and credibility of the emperor.Constantine enacted another change that helped accelerate the fall of the Roman Empire. E., he split the empire into two parts: the western half centered in Rome and the eastern half centered in Constantinople, a city he named after himself.The city was his New Rome and was later named Constantinople (the "city of Constantine").
Wave after wave of Germanic barbarian tribes swept through the Roman Empire.
Groups such as the Visigoths, Vandals, Angles, Saxons, Franks, Ostrogoths, and Lombards took turns ravaging the Empire, eventually carving out areas in which to settle down. Romulus, the last of the Roman emperors in the west, was overthrown by the Germanic leader Odoacer, who became the first Barbarian to rule in Rome.
Other fundamental problems contributed to the fall.
In the economically ailing west, a decrease in agricultural production led to higher food prices.
By the end, these armies were defending Rome against their fellow Germanic tribesmen.
Under these circumstances, the sack of Rome came as no surprise.This was the first time that the city of Rome was sacked, but by no means the last.One of the many factors that contributed to the fall of the Roman Empire was the rise of a new religion, Christianity.To make up for the lack of money, the government began producing more coins with less silver content. Finally, piracy and attacks from Germanic tribes disrupted the flow of trade, especially in the west.There were political and military difficulties, as well.Later that century, Christianity became the official state religion of the Empire.This drastic change in policy spread this relatively new religion to every corner of the Empire.The western half of the empire had a large trade deficit with the eastern half.The west purchased luxury goods from the east but had nothing to offer in exchange.Over time, the military was transformed into a mercenary army with no real loyalty to Rome.As money grew tight, the government hired the cheaper and less reliable Germanic soldiers to fight in Roman armies.