President lincoln waited for which of the following before issuing the emancipation proclamation?

new states to join the union
the passage of the thirteenth amendment
a successful confederate military action
a successful union military action

which did the emancipation proclamation specifically permit?

free african americans were allowed to fight for the confederacy.
free african americans were allowed to enlist in the union army and navy.
enslaved people in border states were allowed to move to the north.
enslaved people in border states were allowed to become confederate citizens.