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You will get EE, Ameraucana is a breed which can't be made by crossing mutts.
Sure they can. It's pretty much a sacred tenet of chicken breeding that anything can be made of anything else if you work hard enough.
It's an Ameraucana if it fits the standard for the Ameraucana and breeds true. Period. Since there are no registrations, no closed stud book, and very few pedigrees, that's what purebred means in chickens. So if you cross Brahmas, Araucanas, Faverolles, Cornish, and Seramas (in other words, pick any five or ten breeds; I didn't pick those on purpose) for a decade and somehow come up with a bird that fits the Ameraucana standard and breeds true, it IS an Ameraucana, even if it has zero parentage that was purebred Ameraucana.
Dldolan, the first-generation cross that you're talking about would be interesting, but it wouldn't be closer to an Ameraucana than anything crossed with an EE. Araucanas and Ameraucanas are similar only in that they both lay blue/green eggs. From everything I've read they were kept as separate breeds by the indigenous people and an Ameraucana or EE isn't an Araucana cross and didn't come from Araucana stock. Araucana are smooth-faced birds with tufts (which are not feather clumps; they're actually a kind of head deformation and result in the tufted chicken having small or absent ears, among other things). Ameraucanas and EEs are muffed/bearded, which is a feather growth pattern. If you bred an Araucana to something, you'd just get a smooth-faced or perhaps small-tufted bird with a tail and whatever colors the two parents would make. It wouldn't look like an Ameraucana at all.
I was talking about the first cross in practical terms, it would be highly unlikely to get anything that fit the standard for Ameraucanas by crossing mutts with Araucanas.