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
Politics of the European Union on the Treaty System. The move toward unification first arose in the Kellogg-Briand Pact in 1928, which gained adherent countries during negotiations and took on a theme of integration for the achievement of peace between the Great Powers. After World War Two, Europe sought to end conflict permanently between France and Germany. In the spirit of the Marshall Plan, those two nations signed the Treaty of Paris in 1951, establishing the European Coal and Steel Community. Since then, the Treaty of Paris, which focused on price setting and competition for purposes of a common market, has been superseded. The legal