The correct answer is option A. "the Soviet Union built them too". The nuclear arms race took place during Cold War, and was a competition for supremacy in nuclear warfare between the United States and the Soviet Union. Under this competition if the United States built hydrogen bombs, the Soviet Union would built them too in order to stay in line with his competitor.
<span>Among the choices, the one that describes an advantage oral history has over written history is C, Oral history can engage and entertain listeners by using music, rhythm, and poetry. They aren't considered primary sources because they can be changed as time goes on, depending on the storyteller.</span>
