25 cities in the USA will be nuked by terrorists. However it will later be discovered that the terrorists were operating inside the highest levels of the US government along with a company to create a corporacracy. This new country will be called the Allied States of America, and all states west of the Mississippi River will be in it. While all states east will be part of the USA. texas will hold out until proof is shown that this company working with unknown peoples in the govt caused the attacks.
2 small towns in Kansas will survive the attacks, Jericho and New Bern. They will have a civil war in for supplies.