Witches. [ America says this very plainly, with experience. ] Very solid, and very alive. After all, you're not dead, right? So can't be your ghost.

What does my age have to do with this? [ America shrugs. How long has she been here? What month is it? ]

Fifteen. [ At least, she thinks she's not fourteen anymore. A lot keeps happening! ]

[ And let the old clown cower behind her. America is stands her ground. ]