The POD is that the US somehow becomes authoritarian-isolationist in the 30s and gives up the Philippines. During the war, due to antiBritish sentiment, *US overruns Canada. WW2 still happens, but UK in a weaker position, Soviets push further, possibly to Pyreenes. In the postwar world, the UK faces two hostile threats. How would Britain itself develop in response to the 2 dangers, and what would it do to its Empire?