Napoleon's Career Napoleon was one of the greatest military leaders of all time. By 1812 Napoleon had expanded the territory of France all over Europe including Spain, Italy, Holland, and Switzerland. The countries that Napoleon did not directly control, he was usually allied with. The turning point of Napoleon's career also came in 1812 when war broke out between France and Russia because of Alexander I's refusal to enforce the continental. Even the French nation could not provide all the manpower and supplies needed to carry out the Emperor's grandiose plan for subduing Russia. Throughout 1811, he worked to m