The Supreme Court decides if laws are (1 point) A. constitutional
B. moral
C. enforceable
D. fair

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation:

cultural history is your answer

answer; (b) asia;

this is a false claim the emancipation proclamtion freed all slaves in the rebillion states