Explanation: After the election of President Eisenhower in the USA during the ongoing Korean War, Eisenhower opted to, considering the position of China in North Korea, prefer making peace to a continuation of the war. While the war goals had expanded and contracted over the two years of the Korean War, it could be credibly argued that the core cause of the war at the start - UN forces preventing the North Korean invasion of South Korea - had been achieved, with the frontline settled roughly at the pre-war borders.

US General MacArthur was… less inclined towards peace. He actually successfully scuttled a previous peace negotiation by the previous US president, Truman, in 1951 by his public posturing. He also advocated for the nuclear obliteration of the Chinese border as a means of ‘winning’ the war. He was removed from command by Truman for his… many missteps in this vein.