President Truman's relief of General Douglas MacArthur purposes is [just temporarily] allied with Soviet Russia." If MacArthur's thesis was accepted, then it followed that expanding the war with China would not provoke a conflict with the Soviet Union. The Joint Chiefs emphatically disagreed, although this contradicted their position that it was Europe and not Asia that was the prime concern of the Soviet Union. Even among Republicans, there was little support for MacArthur's position. On 5 April, Martin read the text of a letter he had received from MacArthur, dated 20 March, criticizing the Truman administration's priorities on the floor of the House. In it, MacArthur had
President Truman's relief of General Douglas MacArthur the Chinese advance, MacArthur ordered the bridges across the Yalu to be bombed. After due consultation with his advisers, Truman declared that he would not approve of such an action, and the Joint Chiefs cancelled the order. When MacArthur protested, the President and the Joint Chiefs authorized the bombings, subject to the caveat that Chinese air space not be violated. Major General Emmett O'Donnell would later cite this to the Congressional inquiry into MacArthur's relief as an example of undue political interference in military operations. The Yalu River had many bends, and in some cases there were very restricted lines