the process of building or constructing something again, especially after the original was damaged or destroyed;
e.g. She is involved in the reconstruction of the hotel that was damaged during the earthquake.
(noun)
the period from 1865 to 1877 following the Civil War, during which new rights were granted to African-Americans and the Confederacy was governed by the federal government;
e.g. The Reconstruction era saw African Americans granted new rights after the abolition of slavery.