Why did the Emancipation Proclamation only apply to states outside of the Union?(1 point)

Responses

States within the Union had already abolished slavery.
States within the Union had already abolished slavery.

President Lincoln wanted to preserve slavery in the Union but punish Confederate states.
President Lincoln wanted to preserve slavery in the Union but punish Confederate states.

The Reconstruction Amendments already banned slavery inside the U.S.
The Reconstruction Amendments already banned slavery inside the U.S.

President Lincoln only had the authority to ban slavery in the Confederacy, not the Union.
President Lincoln only had the authority to ban slavery in the Confederacy, not the Union.

The correct response is: President Lincoln only had the authority to ban slavery in the Confederacy, not the Union.