Napoleon Bonaparte was a successful and popular general during the French Revolution.
This popularity combined with exhaustion that the French people felt after ten years of revolution allowed Napoleon to seize power in 1799. The French people were ready for a strong leader who could restore order.
Napoleon´s endless ambition proved to be his emise however. In 1812 he decided to lead an army of 600,000 into Russia to punish the country for selling grain to France's enemy Britain.
A plebiscite held in 1800 confirmed this when the French people overwhelming voted to approve constitution that gave almost total power to Napoleon as the First Consul of the Frech Republic.
Napoleon was so popular that in 1804 he was able to crown himself the Emperor of France with the support of the French voters.
As emperor, Napoleon set out to create a true empire in France. In a series of military victories French armies defeated their European neighbors and created the largest European empire since Rome.
Geography played an important role in Napoleon's invasion of Rusia in 1812.
The harsh winter weather helped destroy his army
Geography hindered his quest to capture and control all of Europe.