Varying systems of weights and measures, different currencies and numerous tariffs impeded trade and investment, although the creation of the German Customs Union had begun to lift these barriers.
Erinevad kaalude ja mõõtude süsteemid, erinevad vääringud ja arvukad tollimaksud takistasid kaubandust ja investeeringuid, kuigi Saksa tolliliidu loomisega hakkasid barjäärid kaduma.