Chinese request for specific action against Japan, March 20; attitude of Advisory Committee following Japan’s notice of withdrawal from League membership; Japanese incursions across Great Wall; Japanese promotion of separatist movement within the Great Wall; Chinese Foreign Office’s desire for foreign aid in arranging cessation of hostilities; American attitude toward armistice question, April 25; review by the Department of its policy respecting use of American armed force at Shanghai, May 1; renewal of Japanese incursions south of the Great Wall; Chinese statement respecting ownership of the Chinese Eastern Railway, May 9; Soviet reply as to ownership question; continuation of Japanese advance toward Peiping; renewed Chinese suggestion of American pronouncement on crisis in the Far East, May 16; joint statement by President Roosevelt and Chinese Finance Minister Soong, May 20; preliminary arrangement for cessation of hostilities on May 23; signing of truce at Tangku, May 31.