Reconstruction began in earnest following the war . While President Lincoln attempted to foster friendship and forgiveness between the Union and the former Confederacy , an assassin 's bullet on April 14 , 1865 , drove a wedge between North and South again . Republicans in the federal government made it their goal to oversee the rebuilding of the South and to ensure the rights of African Americans . They persisted until the Compromise of 1877 when the Republicans agreed to cease protecting the rights of African Americans in the South in order for Democrats to concede the presidential election of 1876
an assassin 's bullet
Assassination of Abraham Lincoln
United States