The story "The Rat and the Mongoose" may help answer this question.
Answer:
It's Union
Explanation:
The Union was the northern cluster of states that wanted to stay with the United States during the Civil War. What we now call the South would be considered the Confederacy, which wanted to leave the United States and be on their own for many different reasons including taxes and slavery. Hope that helped, I'm not good and explaining things.
A new government grounded on democracy and classical liberalism(Enlightenment ideals)