The United States of America was a Pre-H nation-state, arguably the most powerful in the world, that spread across the central parts of the North American continent. Founded in AD 1776, at its height the USA consisted of fifty semi-automonous states stretching across North America and also occupying islands off the coast.

The United States was destroyed with the loss of most of its population on 17 November 2015 in the event known as the War of a Thousand Suns. The Amtrak Federation, founded in 2044 in the subterrenean bunkers under Houston, Texas, portrays itself as the successor-state to the USA, and uses its former state boundaries as its own geographic divisions, and the former locations of its cities and towns as navigational reference markers.

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