Answer:
appositive phrase
Explanation:
the sentence above is an appositive phrase, because it provides additional details about a noun or pronoun in the sentence.
My best friend loves to laugh.
When I laugh, my stomach hurts.
His laugh makes him sound like a hyena.
Think along these lines :)
Most soldiers came from the middle and lower classes, and Americans wanted to know more about them.With the onset of industrial and scientific advances, Americans no longer believed in the supernatural.With all of the death and destruction from the war, Americans wanted to escape into an ideal world.Despite the industrial and scientific advances, Americans still believed in the supernatural.
The answer is B, understand the plot.