The hundred years between the revolutions of 1848 and the population transfers of the mid-twentieth century saw the nationalization of culturally complex societies in East Central Europe. This fact has variously been explained in terms of modernization, state building and nation-building theories, each of which treats the process of nationalization as something inexorable, a necessary component of modernity. Although more recently social scientists gesture to the contingencies that may shape these larger developments, this structural approach makes scholars far less attentive to the "hard...