Germany was divide into 39 confiderations having differnt language, custom , currency etc..
The unification of germany was started by the middle class people.
Prussia took the leadership of unification
The chief minister of prussia, Otto Van Bismark with the help of prussian bureocracy and merchants completed the unification.
Three wars in Seven years were fought with denmark spain and france.
In 1871, Germany became a unified nation under the leadership of Prussian King willian 1St..