Treaty of Schönbrunn Schlossberg fortress, whose garrison had firmly resisted the French occupation forces, was largely demolished. Austria also had to apply Napoleon's Continental System, as Britain remained at war with France. One contemporary British view on the treaty was: Though considerably weakened, Austria remained a European great power. Emperor Francis I approached to the French by marrying his daughter Marie Louise off to Napoleon (whom she at first detested) in 1810. As a result of Metternich's change of policies, the Austrian forces joined the French invasion of Russia in 1812. During the negotiations at Schönbrunn, Napoleon narrowly escaped an attempt on his
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