In this position , he was not only responsible for reshaping the still relatively unspectacular city of Berlin into a representative capital for Prussia , but also oversaw projects in the expanded Prussian territories from the Rhineland in the west to Königsberg in the east , such as New Altstadt Church .
In this position , he was not only responsible for reshaping the city of Berlin into a representative capital for Prussia , but also had to work projects in the expanded Prussian territories from the Rhineland in the west to Königsberg in the east .