sentences:  Immediately after the outbreak of the Korean War, on June 25, 1950, he actively solicited urgent aide from the United States and the UN.In November 1950, Chang was appointed the second Prime Minister of the First Republic of Korea, a position he at first refused, but after an earnest request from Syngman Rhee, he accepted and went on to serve from October 1951 until April29, 1952.He was sent to the sixth UN General Assembly held in Paris, France.