The US government, hollowed out, has all but collapsed. The east coast states down to Georgia have mostly held together and still recognize the authority of Washington DC. California, Oregon, and Washington have formed an independent coalition on the west coast. Texas' influence captures the whole coast of the Gulf of Mexico, now called the Gulf of Texas by several hundred million people. The Great Lakes states have merged with Canada. And the Great Plains in the middle of the continent are overrun by feral hogs, and war.