The federal government did not have enough power causing the states to be chaotic due to how much power they had under the Articles of Confederation.
Lol. I believe it was Belisarius. he was Justinian's go to General and he was very good at what he did. It was thanks to him that the Mediterranean became a Roman Lake once again well at least until Justinian died
The power of the catholic church weakened
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expansive borders faced constant attack
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