It's called Nullification
Answer:
The urban middle class grew was an effect of the growth of the service industry in the late 180
The U.S. Bureau<span> of Refugees, </span>Freedmen<span> and Abandoned Lands, popularly known as the </span>Freedmen's Bureau<span>, was established in 1865 by Congress to help former black slaves and poor whites in the South in the aftermath of the U.S. Civil War (1861-65).
I hope this helps. :)
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