Answer:
This statement doesn´t suggest the use of the atomic bomb outrightly. It contains a clear threat of a hard punishment for not agreeing to the terms presented, but we could say that president Harry Truman had the bomb and the possibility of dropping it in mind. Look at the words "utter destruction." The US did not officially reveal the existence of the bomb to its Allies, though they either unofficially knew about it or had some idea. Stalin knew about it thanks to Soviet espionage.
Step-by-step explanation: