Emancipation Proclamation: A proclamation issued by President Abraham Lincoln during the Civil War era that declared all slaves in Confederate territory were set free.
Secession: Secession refers to when states choose to leave or withdraw from a larger political entity like a country or union. In this case, Southern states seceded from the United States before and during the Civil War.
Reconstruction Era: Following the end of the Civil War era, Reconstruction was a period where efforts were made to rebuild and integrate former Confederate states back into the Union while addressing issues related to slavery and civil rights.