He failed to defeat the Army of the Seventh Coalition.
The Fench Army of Napoleon
Napoleon Bonaparte suffered defeat at the hands of the Duke of Wellington and the British army
The Russians were used to the harsh winters. Napoleon's army was not.
The Battle of Borodino.
Because the guerrilla's were not an army Napoleon could defeat in open battle.
Borodino
Sometimes it is as simple as the better army wins.
Yes, the Prussian Army and their allied managed to encircle and defeat Napoleon III's main Army at Sedan, what led the Emperor to abdicate.
In 1800, Napoleon defeated the Austrian Army during the Battle of Marengo. Marengo is a town in Italy.
Russia.
Winter came and Napoleon's army was not prepared for it.
He was made Commander of the Interior and was made the Commander of the Army of Italy.