In Imagining a Greater Germany, Erin R. Hochman offers a fresh approach to the questions of state- and nation-building in interwar Central Europe. Ever since Hitler annexed his native Austria to Germany in 1938, the term "Anschluss" has been linked to Nazi expansionism. The legacy of Nazism has cast a long shadow not only over the idea of the union of German-speaking lands but also over German nationalism in general. Due to the horrors unleashed by the Third Reich, German nationalism has seemed virulently exclusionary, and Anschluss inherently antidemocratic.

However, as...