UN General Assembly
1957

86. Even if the United States discovered a so-called "clean" bomb, or a bomb with limited "yield" the problem would be unaltered. Are we to suppose that if the United States discovered a way of making such bombs, it would share the secret with the other interested States? Even if it did, what guarantee is there that only such bombs would be used in the event of nuclear war, in view of the known fact that various types of atomic and hydrogen bombs are now in existence? What would prevent the belligerents from using the most destructive bombs available if there was no agreement outlawing their use? 87. It is clear that so-called "clean" bombs or bombs with limited "yield" have no bearing on the grave problem confronting the world - how to avoid the danger of a devastating atomic war.