Because the emporers frivolously ruled their kingdom.
476 bce ;)
religion
Christianity .
400 - 1400, during the era when the Roman Empire declined, the Byzantine Empire flourished, and Islam was founded.
philosophers Muslim scholars
You need to clarify what you mean by except for.
Western Europe declined.
philosophers Muslim scholars
the roman catholic church
It probably got too big to defend its borders.
As the Roman Empire declined, its famous road system suffered. Roads gradually broke down because they were not maintained. What was a major effect of this? Communication in the empire became less reliable.
Feudalism evolved as the Roman Empire declined. It was a decentralized system where power and land ownership were based on a hierarchical structure. Lords granted land to vassals in exchange for loyalty and military service, creating a system of obligations and dependencies.