What changes did Napoleon introduce to make the administrative system more efficient in the territories ruled by him?

Napoleon introduce following changes to make the administrative system more efficient in the territories ruled by him:

1. The Civil Code of 1804 – usually known as the Napoleonic Code – did away with all privileges based on birth, established equality before the law and secured the right to property.
2. In the Dutch Republic, in Switzerland, in Italy and Germany, Napoleon simplified administrative divisions, abolished the feudal system and freed peasants from serfdom and manorial dues.
3. In the towns guild restrictions were removed. Transport and communication systems were improved.
4. Uniform laws, standardised weights and measures, and a common national currency was started.