What legal action during the Civil War ended slavery in states that had left the Union?

(1 point)
Responses

black codes

black codes

Plessy v. Ferguson

Plessy v. Ferguson

Emancipation Proclamation

Emancipation Proclamation

Reconstruction Act of 1867

1 answer

The legal action during the Civil War that ended slavery in states that had left the Union was the Emancipation Proclamation.