At the same time a treaty for the prolongation of the Steuerverein was contracted by Hanover , Oldenburg , and Schaumburg - Lippe .
Brunswick defected to the Zollverein in 1841 , causing much bad feeling with Hanover. .
At the same time a treaty for the prolongation of the Steuerverein was contracted by Hanover. , Oldenburg , and Schaumburg - Lippe .
Brunswick defected to the Zollverein in 1841 , causing much bad feeling with Hanover. .