I believe the answer is: It secured the freedom of slaves in states that seceded from the nation.
Emancipation of proclamation was an executive order made by Abraham Lincoln to freed the slaves in the seceded states. The executive order resulted in the freedom of more than 3.5 million slaves from the southern states and they automatically come to the union territory.
Out of the choices given, the one that is true about the Emancipation Proclamation is that it secured the freedom of slaves in states that seceded from the nation. The correct answer is B.
