The sentences “Seventy-one years ago, on a bright cloudless morning, death fell from the sky and the world was changed” (lines…

The sentences “Seventy-one years ago, on a bright cloudless morning, death fell from the sky and the world was changed” (lines 01-03) and “We may not realize this goal in my lifetime, but persistent effort can roll back the possibility of catastrophe” (lines 96-98) respectively contain a