Second, it put an end to slavery throughout the country.
But the end of the war also raised a whole new set of issues.
Some people wanted the North to establish strict conditions for the states to meet before they could rejoin the Union.
They felt that this was the only way to ensure the states' loyalty and to protect the rights of former slaves and Union supporters in the South.
Many former slaves were no longer willing to submit to white rule and wanted equal rights.
At the same time, many Southern whites expressed anger and fear about the changes taking place in their society.
Lee (1807–1870) surrendered to Union general Ulysses S.
Grant (1822–1885) at Appomattox Courthouse in Virginia. First, it established that states were not allowed to leave, or secede from, the United States.
Under Congressional Reconstruction, the Southern states adopted new constitutions and formed governments that allowed the participation of black people.
These states were then permitted to rejoin the Union.