Why did president roosevelt originally authorize the development of the atomic bomb? he believed that germany was trying to develop one. he wanted to end the war quickly. he feared that the united states could not defeat japan without it.

Which of the following world and national events led to a new view of people with disabilities in the us:     a.  world war i and ii veterans with disabilities returned home after the wars.b.  john f. kennedy was elected president and had a sister with a disability.c.  the civil rights and feminist movements.d.  all of the above.