After the Emancipation Proclamation, the North's main goal in the Civil War was to

After the Emancipation Proclamation, t the North’s main goal in the Civil War was to abolish the slavery, the slavery become matter of civil war in it's second half contrary to common misundertsaning that it was their cause since very begining, most notably is fact that emanicpation proclamation abolished slvaery in southern states bbut not in few states that belonged to union