Answer: it's because they tried to eliminate difference in the efforts to create a homogeneous mythologized unitary polity
Explanation:
The answer is racism. It is racism because they treated the Europeans from the north more better than Europeans from the south for no reason when they were essentially the same
The problem with it was that it was not powerful enough to do the normal tasks modern governments do today. They couldn't
1: Couldn't Regulate Trade
2) Couldn't pass Taxes
3) Had only one branch