What was the period immediately after the Civil War called, during which efforts were made to rebuild the South?

Reconstruction Era from 1865-1977

Explanation:

The turbulent era following the Civil War was the effort to reinterpreted Southern states from the Confederacy and 4 mill. newly freed slaves into the United States

lincoln presided over the union victory in the american civil war, which dominated his presidency. a former whig, lincoln ran on a political platform opposed to the expansion of slavery in the territories. his election served as the immediate impetus for the outbreak of the american civil war.