Answer:
Invasions from Barbarian tribes, The rising of Constantinople, Overexpansion, Government Corruption and Instability, Economic Troubles, Slave reliance for money, and Christainity rising.
How was the unity of the old Roman empire lost
To Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders.
To Invasions by Barbarian tribes. The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces.
