Answer:
Archives.gov states that
"From the first days of the Civil War, slaves had acted to secure their own liberty. The Emancipation Proclamation confirmed their insistence that the war for the Union must become a war for freedom. It added moral force to the Union cause and strengthened the Union both militarily and politically."
No plagiarism intended. All info given is the government's. Please write your own words and use this as help only.
Explanation:
