Prussia, the leader of the Zollverein, utilized the organization to control the middle and small states of Germany, push the Austria aside and defeat it at last, and then for the first time realized the unification of Germany by the Small Germany Road.

• 普鲁士是关税同盟的盟主，它利用该同盟控制了中小邦国，排挤、打败了奥地利的势力，以“小德意志道路”实现了德国的第一次民族统一。