A unique battle for Napoleon was the Second Italian Campaign when he brought his troops through the Alps
Napoleon kept his soldiers happy by providing money, canteen girls, camp followers, prostitutes, and most important, victory.
Once Napoleon became 1st Consul for Life, he started shaping the nation domestically. some things he did was introduced the Concordat, created the Legion of Honour, modernized France's infrastructure, revamped France's education system, and created what he called the Napoleonic Code.
The Battle of Austerlitz, also known as the Battle of 3 Emperors, was what Napoleon called his "Masterpiece". What he did to win was he fooled his enemy into attacking his southern flank which was "weak", and the rest showed up behind unexpectedly squashing his enemy. France suffered only 8000 casualties as to 20,000 Austrian and Russian Casualties.
In conclusion, Napoleon was one of the greatest general and greatest ruler of France because of his battle tactics, how he kept his soldiers happy and how he shaped France into a better country.