In the recent Settling for Less: Why States Colonize and Why They Stop, Lachlan McNamee makes a rationalist argument—“colonization projects” are “characterized by a triangle of actors—settlers, indigenes, and the central state,” and for his purposes, we can “assume that all settler migration is voluntary and economically driven”. McNamee is not the only one with such a reading of colonial politics. Director, co-writer, and star Kevin Costner...