In the wake of Napoleon's disastrous Russian campaign of 1812, the French emperor's imperious grip on Europe began to weaken, raising the question of how the continent was to be reconstructed after his defeat. While the Treaty of Paris that followed Napoleon's exile in 1814 put an end to a quarter century of revolution and war in Europe, it left the future of the continent hanging in the balance. Eager to negotiate a workable and lasting peace, the...