Answer:
President Truman made the decision to use the first atomic bomb, in spite of protests.
Explanation:
The writer of this argument claims that the decision to use an atomic bomb was President Truman's, and he made it in the midst of protest from those around him.
Its D cause,key words''practices,belifes''. Hope it helps.
1) b and a - A sparse crowd is one that is small and scattered.
2) c and b - To petrify someone is to terrify that person.
3) a and b - An intense pain is one that lasts for a long time.
4) a and b - A prone figure is one that is lying face down.