Treaty of Paris (1815) notably Prussia, initially demanded that France cede significant territory in the East, rivalry among the powers and the general desire to secure the Bourbon restoration made the peace settlement less onerous than it might have been. The treaty was signed for Great Britain by Lord Castlereagh and the Duke of Wellington and by the duc de Richelieu for France; parallel treaties with France were signed by Austria, Russia, and Prussia, forming in effect the first confederation of Europe. The Quadruple Alliance was reinstated in a separate treaty also signed 20 November 1815, introducing a new concept in European diplomacy, the
Cobden–Chevalier Treaty that with such an alliance in being it did not matter what other European states thought. Rouher presented the Emperor with his commercial plan with sixty pages of favourable arguments, which the Emperor approved. The Emperor announced the treaty in a letter published on 15 January 1860 and it caused fury among the protectionist interests. Princeton University economist Gene Grossman described the treaty as the "first modern trade agreement." On 23 January 1860 at the Foreign Office the plenipotentiaries of both nations signed and sealed the treaty. Lord Cowley, the British Ambassador to France, and Cobden signed on behalf of