[England has options. He could tell America the truth about being from his relative future. That is definitely a thing he could do.

He could also raise an eyebrow and completely dodge the question with a dry:] What, you don't think you two look alike? [They even have the same dumb cowlick!

Now he can explain things to Alfred without fear of having to tell his colony things that he doesn't want to tell yet.] I can't claim to know how your universe is configured, but you're correct in regards to mine.

America and I are not brothers in the sense that you're likely thinking. I...found him. And took him into my care.