The historical significance of Prussian leadership during German unification lies in the various political and economic decisions taken by the Prussian leaders which eventually resulted in the unification of Germany.
With support from the Prussian army and the bureaucracy, the Minister-President of Prussia, Otto von Bismarck led three wars against Denmark, France, and Austria in the 1860s. He was known as the architect of the unification process. After the defeat of Denmark, France, and Austria, he unified Germany into a nation-state in 1871 resulting in the formation of the German Empire.
The formation of the trade union, Zollverein by the Prussian leaders became the foundation for the political unification of Germany. This trade union was a coalition of German states to facilitate trade between themselves.
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