Answer:
States gained a large piece of western land know as the Mexican session cession.
Emergence of Monotheistic religion
The correct answer would be alternative C)"It maximizes the political freedoms guaranteed to individual state governments."
A Confederal System of Government indeed maximizes the freedoms of its citizens, by giving more power and authority to state and local institutions.
A Unitary government benefits those around the authoritarian leaders, and least influential regions have a greater chance of being under supported.