The Treaty of Paris signed in March 1856 demilitarized the Black Sea and secured the territorial integrity of the Ottoman Empire, all strategies put forward by Britain at the expense of Russia. It was clear that the treaty effectively subdued Russia’s position as a great power and diminished her role. Russia also felt betrayed by Austria, who but a few years earlier had relied on Russian help putting down the Hungarian Revolt. It was evident that the cooperation between Austria and Russia was over.