His sentiments are thoroughly American because he subscribes thoroughly to America's best ideals, not through any power or authority of his to decide what is and isn't American. At least, that's the sort of thing he would insist.

"Time travel," he confirms her guess. "Kang tried to change history, we had to put it back."

Being sweet and not getting out-maneuvered are two Captain America classics. "Oh, I'm hardly perfect," he demurs.