How Is the First Confiscation Act of 1861 Symbolic of the Direction

How is the First Confiscation Act of 1861 symbolic of the direction of congressional policies at the start of the Civil War?

A) The act stipulated that all slaves were now free in the South and could enter the Union army.
B) The act held that only slaves in the Border States were now free and could enter the Union army.
C) The act specified that only slaves who benefitted the Confederate war effort would be freed when captured.
D) The act provided that slaves of Confederate military officials were now free.