All you have to do to transform yourself into an Arizonan is to cross that imaginary line and settle down. But the point to note is that around each of the Leaver peoples on that map was a boundary that was definitely not imaginary: a cultural boundary. If the Navajo started feeling crowded, they couldn’t say to themselves, ‘Well, the Hopi have a lot of wide open space. Let’s go over there and be Hopi.’