How was Bismarck important in the unification of germany?

Answer 1

Otto Eduard Leopold, Prince von Bismarck, Duke of Lauenburg, Count von Bismarck-Schönhausen (April 1, 1815 – July 30, 1898) was a European statesperson of the 19th century. As Minister-President of Prussia from 1862 to 1890, he engineered the Unification of Germany. From 1867 on, he was Chancellor of the North German Confederation. When the German Empire was declared in 1871, he served as its first Chancellor.