3)iyB-1-idLf. Gen. WedemeyerTo Help China MapFight Against JapsWASHINGTON, March 14—Lt. Gen. Albert C. Wedemeyer, American Theater commander in China, will shortly return to Chungking from Washington to complete preparations for the coming counteroffensive against the Japanese, a Reuter’s Chungking correspondent wrote today.General Wedemeyer’s acting Chief of Staff, Brig. Gen. Mervin Gross, disclosed that American observers attended the recent conference between Admiral Lord Louis Mount-batten, Supreme Commander,Southeast Asia Command, and Generalissimo Chiang Kai-shek.In Moscow today, a Russian Far Eastern authority, P. Krainov, writing in Red Star, again urged the Chungking Government to seek unity with communist Yenan.Krainov wrote: ’’The absence of national unity and the activity of reactionary elements in the Government and leadership of the Kuom-intang, which has been exercising virtually an unbounded dictator-tlvntlCsPt:avs1ngtecact1t