I wasn't satisfied by my 1rst version of the North American map. So here's a new one.
Also, I changed a bit the backstory: North America is now a post-medieval world. (Which means religious fanatics, witchcraft, lords and hangings. Cooll!)
About North America's history:
North America began to collapse when India nuked the US. Almost all the democratic Administration was decimated -- and it was to an extremist, Angus Wolf to become President. A isolationnist, he made peace with India & North Korea, and turned his country into a fascist regime. Revolted by his measures, the Western States revolted, resulting in the Second Civil War (2033-2034). In a year, thousands, even millions, died, the country was butchered, even Canada tried to intervene but collapsed in the process.
When the States were weakened, the corporations intervened into the war: it was the Corporate War (2034-2036). Russia, who dared ally with California, was zombi-nuked and annihilated. Massive floods (from the Climate Change) reshaped the continent.
In 2036, Aliens landed in America and all over the world, hoping to find shelter on Earth. They were escaping the oppressive A'lin Empire regime. But humans thought Aliens were dangerous. Fascist US, Canadian States, corporations, California made peace and joined forces against the Aliens : it was the War of the Worlds (2036-2039). President Wolf of the US was soon killed by Aliens and his wife, Faith Wolf-Cox, took office.
In 2039, the European Union managed to make peace with the Aliens. Aliens were given a part of the American Wasteland.
At the end of this Series of Apocalypses, North America was only a shadow of what it used to be. There were maximum 20 million Americans, many of whom mutants, or cancerous.
In the next 200 years, it turned slowly into a post-medieval continent. Little kingdoms or corporations fought for pieces of land, many kings turned their people into slaves.
In the east, the United States of Colombia are now ruled by President Buttons, husband of a Wolf. She has buttons for eyes and she's pretty scary. The US is a eugenicist country, obsessed with blood purity, patriotism and violence.
In the west, California is a corporate state, ruled by Lobbies and Corporations.
In the south, Mexico was mostly spared by the Apocalypses. In 2037, they decided to build a wall to avoid all the 'American rapists, murderers and other mutants'. Now, it's one of the richest countries on the continent.