B, based on my knowledge of the root of the word.
The arms race affected the future of the world because it was in the danger of a nuclear fallout and the us and Soviet union raced to make nuclear weapons which could destroy each of the nation and make the world fear of the two superpowers.
Answer:
ahh because they needed for food?
Explanation:
The only option that is not generally a reason why historians study societal change would be "<span>d. to estimate how long it would take to build a road system," since this requires a separate type of research. </span>
What are the options? maybe it’s he? not too sure