Answer:
I believe Red wolf, did some research, don't think it said it was a subspecies!!!
The Allies invaded the Mediterranean because they wanted to remove Italy from axis powers. Axis powers are nations that fought in the WW2 so they basically didn't want Italy to fight in the war.
It freed the slaves that were part of the usa. The confederates would not be affected unless they lost the war.
Margarine and butter are examples of substitutes.