Answer: a.k.a the Federal Army or Northern Army who fought for the Union (or North)
Explanation:
The Union Army (aka the Federal Army, or Northern Army) was the army that fought for the Union (or North) during the the American Civil War. Actually, it was comprised of several armies, to cover the many departments (geographic regions) in which the war was fought.
We must be taking the same course.
C. The military ambitions of Woodrow Wilson
Keep the global temperature increase to less than two degrees Celsius