Morse later became Special Assistant to the
United States Attorney General, Chief Counsel of the Petroleum Labour Policy Board in the
US Department of the Interior 1933-1935, and Regional Attorney for the
National Labour Relations Board in the metropolitan area of
New York (1936-1937). {{cite interview When war broke out, he gave up his law practice to join the army. From June 1943 to April 1944, Morse served as Captain in North Africa, Sicily and Italy, where he was appointed Chief of the Labor Division of the Allied Military Government (1945). He drafted and put into effect the labour policy and programme in Sicily and Italy for the British and United States Governments and armies. As Chief of the Labor Section of the US Group Control Council for Germany under Generals Eisenhower and Clay, he prepared the labor policy and program for Germany. Promoted to Lieutenant-Colonel, he was awarded the
Legion of Merit for his army services in 1946. After his discharge from the Army in 1945, Morse was appointed general counsel of the National Labor Relations Board. On July 1, 1946, President Truman named him Assistant Secretary of Labor, and Morse devoted his activities to the creation of the Department's programme of international affairs; he served as Acting Secretary from June 9 to August 2, 1948. Morse had been a delegate to the
International Labour Organization (ILO) on two occasions and served as the United States Government representative on the Governing Body. In June 1948, he was named chief of the United States delegation to the
International Labour Conference. At the 105th session of the Governing Body in
San Francisco in June 1948, he was unanimously elected director-general for a ten-year term. He was unanimously re-elected for five-year terms in May 1957, in March 1962, and in February 1967. In 1969 the ILO was awarded the
Nobel Prize for Peace. He resigned in February 1970. As Director-General, he was preceded by
Edward J. Phelan and succeeded by
C. Wilfred Jenks. ==Death==