Answer:
2. The Emancipation Proclamation open the door for black soldiers so they joined the Army and allow them to be free.
3. Only the slaves states in rebellion were freed.
4. Lincoln says the war is warranted by the fact that he see a fit and necessary war.
5. The United States group that is going to help is the executive government and US military.
6. I think Lincoln had the power to do what he did because when in war you can take property and slaves are property