There could be any number of
reasons why one region's sales are lagging, such as a
cultural or political situation that is making trade
difficult,
for example.
This is a
difficult task, because there are so many diverse
reasons for the separations,
reasons going back to the time of the reformation,
reasons which have emerged only later through the historical development of the separated Churches, doctrinal
reasons, but also sociological, national,
cultural ones which by themselves do not add up to a real denominational difference.