Girls Frontline: New American Civil War

Of course, this is the same universe in Girls Frontline x Call of Duty, and Metal Gear.
In post-World War III, The United States was heavily impacted by the aftermath of World War III, leading to severe internal conflicts and eventual New American Civil War. The East Coast American Rossartism Alliance is a faction that held a notable demonstration in 2053 in front of the Center City Hall of Philadelphia.
However, One Nation strived to rebuild the United States and opposed ECARA (East Coast American Rosstarism Alliance