What effect did the emancipation proclamation have on the unions ability to fight the civil war

Question

It did not have any effect on the Union's ability to fight the civil war

It caused Europe Nations such as the Great Britain the side with the Confederacy

It allowed the Union army to recruit by black soldiers into the army

It caused massive results of enslaved people in the Confederacy states that might sought freedom

Answer 1

The correct answer is: It allowed the Union army to recruit black soldiers into the army.