After the civil war the nation committed itself to equality for the freedmen through law and constitutional amendment. discuss the forces and events that caused the nation to abandon this commitment during the subsequent years.

This was because of radical republicans who were antagonistic towards the South.  Though were laws that now allowed Blacks to vote, they were prevented by White mobs.  This would lead to another 100 years of struggle for equal rights for African Americans to finally be treated as equals.

new evidence is discovered.

oversights and errors are corrected,

new technology is applied to evidence.