When the South would not heed the instruction to release the slaves and rejoin the Union,
- Lincoln issued the Emancipation proclamation
The Emancipation Proclamation was signed by President Abraham Lincoln on January 1, 1863. In this proclamation, he declared that all the states that still held slaves will be seen as being in opposition of the government of the United States. The Southern states were not willing to concede. They were determined to fight the Union Army which was the US force. Finally, they were defeated in the battle.
Conclusively, Lincoln issued the Emancipation Proclamation when the South would not release the slaves or rejoin the Union.
Learn more about the South during the American Civil War here: https://brainly.com/question/15958610
