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With a POD of the American Revolution and without effecting Europe or the rest of the world to much is it possible for the USA to control almost all of North America by 1870 except for Alaska which remains with the Russian Empire.
I don't know much about the time period so I kindly ask if you can help me. Also I'm lazy and so the Map is a bit half arsed but oh well.
Also for the Islands I didn't really do much research, I kind of just coloured them in so change them if you want.