The introduction of a tax-supported school system
hope this helps!!
U.S. Bureau of Refugees, Freedmen , and Abandoned Lands was established by Congress to provide practical aid to 4,000,000 newly freed Black Americans in their transition from slavery to freedom.
Founded by Abraham Lincoln.
Because the North stopped helping. Government gave up. Black people couldn't buy land so the did sharecropping instead.
<span>It prevented them from expanding westward beyond the Appalachians.I think.</span>