The President's News Conference
07/20/1949
https://www.presidency.ucsb.edu...
Now, Therefore, I, Harry S. Truman, President of the United States of America, under and by virtue of the authority vest...
The weapons of destruction have become so powerful and so terrible that we can't even think of another all-out war.
It would have involved us in all-out war in the Far East, and we have been strenuously trying to avoid that all the time...
The administration of that portion of the trust territory which includes the islands of Tinian and Saipan is hereby tran...