Question

What role did the military play in regard to the emancipation proclamation?

Answer 1

The military is used to suppressed the possibility of civil war. 
Lincoln issued the Proclamation under his authority as "Commander in Chief of the Army and Navy" under Article II, section 2 of the United States Constitution.As such, he claimed to have the martial power to free persons held as slaves in those states that were in rebellion "as a fit and necessary war measure for suppressing said rebellion".

Answer 2

Answer:

The Union military worked with escaped slaves during American Civil War

Explanation:

Escaped Slaves, also known as contraband of war, joined the Union militry during American Civil War. They started supporting the Union for free, but later they got wages for their work and recieved education both adults and children. This interaction between the escaped slaves and the military helped the creation of self-sufficient communities with colored men prior to the enmancipation proclamation.