Answer:
stayed in power with an ideology of national and racial superiority
The United States. During the Korean War, the United States was a major ally and had a major role in the war. Yes there were other allies, but the Untied States was the biggest. To this day, the United States is still in South Korea and still the largest ally that they have.
William Edward Forster introduced Britain's 1870 education act I believe. hope I helped! :)