Three explanations have been offered for the successful democratization of
the Federal Republic of Germany: the transformation of political culture, t
he allied occupation, and the recasting of institutions. These three explan
ations ignore that the division of Germany by the allied powers removed wha
t earlier observers saw as the major obstacle to Germany democracy, Junker
domination in the east. One of the major reasons for the success of democra
cy in the Federal Republic of Germany was that it no longer included the ea
st. Evidence to support this argument is provided by disaggregating elector
al data of the Weimar Republic to show that in the interwar period the west
was already better prepared for democracy than the rest of Germany. The el
imination of long-term socioeconomic barriers to democracy are a necessary
condition for successful democratization.