 The sale of the Louisiana Territory to the United States doubled the size of the United States.In May 1802, he instituted the Legion of Honour, a substitute for the old royalist decorations and orders of chivalry, to encourage civilian and military achievements; the order is still the highest decoration in France.Napoleon's set of civil laws, the "Code Civil"—now often known as the Napoleonic Code—was prepared by committees of legal experts under the supervision of Jean Jacques Régis de Cambacérès, the "Second Consul".