Other fundamental problems contributed to the fall.
In the economically ailing west, a decrease in agricultural production led to higher food prices.
The Angles and Saxons populated the British Isles, and the Franks ended up in France. The order that the Roman Empire had brought to western Europe for 1000 years was no more.
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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 invading army reached the outskirts of Rome, which had been left totally undefended. E., the Visigoths, led by Alaric, breached the walls of Rome and sacked the capital of the Roman Empire.The Visigoths looted, burned, and pillaged their way through the city, leaving a wake of destruction wherever they went. For the first time in nearly a millennium, the city of Rome was in the hands of someone other than the Romans.Some scholars also believe that Constantine established a new city in order to provide a place for the young religion of Christianity to grow in an environment purer than that of corrupt Rome.The western Empire spoke Latin and was Roman Catholic.It didn't help matters that political amateurs were in control of Rome in the years leading up to its fall.Army generals dominated the emperorship, and corruption was rampant.By approving Christianity, the Roman state directly undermined its religious traditions.Finally, by this time, Romans considered their emperor a god.The eastern Empire spoke Greek and worshipped under the Eastern Orthodox branch of the Christian church.Over time, the east thrived, while the west declined.