Treaty of Hubertusburg where the war had never been popular. After protracted negotiations between the war-weary powers, peace was made among Prussia, Austria, and Saxony at Hubertusburg, and among Great Britain, France, and Spain at Paris. The Treaty of Hubertusburg, though it restored the prewar status quo, marked the ascendancy of Prussia as a leading European power. Through the Treaty of Paris, Great Britain emerged as the world's chief colonial empire, which was its primary goal in the war, and France lost most of its overseas possessions. The phrase "Hubertsburg Peace" is sometimes used as a description for any Treaty which restores the
Nine-Power Treaty shown to be completely ineffective. During the Washington Naval Conference of 1921–1922, the United States government again raised the Open Door Policy as an international issue, and had all of the attendees (United States, Republic of China, Imperial Japan, France, Great Britain, Italy, Belgium, Netherlands, and Portugal) sign the Nine-Power Treaty which intended to make the Open Door Policy international law. The Nine-Power Treaty, concurrent with the Shangtung Treaty of the Washington Naval Conference, effectively prompted Japan to return territorial control of Shandong province, of the Shandong Problem, to the Republic of China. The Nine-Power Treaty was one of several