Paris under Napoleon Each of the twelve arrondissements had its own mayor, but their power was limited to enforcing the decrees of Napoleon's ministers. After he crowned himself Emperor on December 2, 1804, Napoleon began a series of projects to make Paris into an imperial capital to rival ancient Rome. He built monuments to French military glory, including the Arc de Triomphe du Carrousel, the column in Place Vendôme, and the future church of the Madeleine, intended as a temple to military heroes; and began the Arc de Triomphe. To improve the circulation of traffic in central Paris, he built a wide new
Napoleon d'état" and purge the royalists on 4 September—Coup of 18 Fructidor. This left Barras and his Republican allies in control again but dependent on Bonaparte, who proceeded to peace negotiations with Austria. These negotiations resulted in the Treaty of Campo Formio, and Bonaparte returned to Paris in December as a hero. He met Talleyrand, France's new Foreign Minister—who served in the same capacity for Emperor Napoleon—and they began to prepare for an invasion of Britain. After two months of planning, Bonaparte decided that France's naval power was not yet strong enough to confront the British Royal Navy. He decided on