Despite the strained relations then existing between the American and Soviet governments Hull decided to inform the Russians, requesting Undersecretary of State Sumner Welles to communicate the substance of the report to Ambassador Constantine Oumansky. This was done on March 20. Mr. Oumansky turned very white [Welles later wrote]. He was silent for a moment and then merely said: “I fully realize the gravity of the message you have given me. My government will be grateful for your confidence and I will inform it immediately of our conversation.”
