The reason for the weakening of the Napoleonic empire?

The reasons for the weakening of the Napoleonic empire:

Numerous continuous wars have bled France;
Lean years worsened the country’s economic situation;
Financial difficulties in France;
The despotism of Napoleon’s personal power;
The uprisings in the conquered countries, which were provoked by the defeat of France in the Patriotic War of 1812.

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