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for the english people, they said Help cite a collaborative online encyclopedia
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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).</span>
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This means that marriage and reproduction take place within the group, leading to decreased genetic diversity due to a lack of admixture.
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