Answer:
It proclaimed the freedom of slaves in the ten Confederate states still in rebellion. It also decreed that freed slaves could be enlisted in the Union Army, thereby increasing the Union's available manpower.
So I'm guessing D or B.
Answer:
Prior to the French and Indian War, the American Colonists wanted to extend their territory to the west of the Appalachian Mountains, in what is now the Midwest.
The British Crown opposed this because they did not want to have conflicts with the Native Americans in these lands, and with the French.
In the end, the conflict became impossible to avoid, and the British won, and the land was granted to the Empire.
I Believe The Answer Is C. The Environment