The correct answer is B) a pacifying tone to convince the audience that the United States will use nuclear technology for peaceful purposes and not for destruction.
The tone that President Eisenhower used in this speech is a pacifying tone to convince the audience that the United States will use nuclear technology for peaceful purposes and not for destruction.
For instance, we can see in this excerpt the pacifying tome of President Eisenhower: "So my country’s purpose is to help us move out of the dark chamber of horrors into the light, to find a way by which the minds of men, the hopes of men, the souls of men everywhere can move forward toward peace and happiness and well being."
The "Atoms for Peace" speech was delivered by United States President Dwight Eisenhower to the 470 Plenary Meeting of the United Nations on December 8, 1953.