Economically, the creation of the Prussian Zollverein (customs union) in 1818, and its subsequent expansion to include other states of the German Confederation, reduced competition between and within states.
Taloudellisesti Preussin Zollvereinin (tulliliiton) luonti 1818 ja sen myöhempi laajentuminen muihin konfederaation osiin vähensi kilpailua valtioiden välillä.