B, atomic bombs is the correct answer
D.<span>All of the above are true.
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<span>Social mobility is the movement of individuals, families, households, or other categories of people within or between social strata in a society. It is a change in social status relative to others' social location within a given society.</span>
Answer:
B
Explanation:
The Reconstruction in the south ended with Hayes becoming president because previously the republicans agreed with the democrats in giving him the charge of control. One of the new decisions was the retired of the troops on Louisiana and South Carolina, which caused the loss of protection and rights on the black race.
As regards the claim that the Southern Economy expanded during the Civil War, this is False.
<h3>What happened to the Southern economy in the Civil War?</h3>
When war broke out, the North acted to deny the South its means of trading with other parts of the world.
This, coupled with the destruction the war brought, damaged the Southern economy and forced it to shrink instead of expand.
Find out more on the effects of the Civil War on the South at brainly.com/question/15784261.
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