The correct answer is:
It allowed and encouraged the recruitment of blacks to be soldiers for the U
forces.
Step-by-step explanation:
It allowed forces to recruit the black males in the Union for the army in that there were many black leaders who were also in favor of this so that there was a possible emancipation of the black population.
They could fight for their own race's right to be free and this would have also given them good monetary recompenses.
This meant that fighting in the war would have given them a better lifestyle after the war and a better life to look forward to.