What were some of the factors that made it difficult to defend the Roman empire against foreign invasion?
1. The size of the Roman Empire made it difficult to defend against foreign invasion.
2. The Roman military was spread too thin, with troops spread across the vast empire.
3. The Roman military was not as well-trained or equipped as some of the invading forces.
4. The Roman economy was weakened by civil wars and economic mismanagement.
5. The Roman government was often divided and unable to make unified decisions.
6. The Roman Empire was surrounded by powerful enemies, such as the Goths, Huns, and Vandals.
7. The Roman Empire was weakened by internal divisions, such as the split between the Eastern and Western Empires.