Slash and burn agriculture is most often practiced in places where open land for farming is not readily available because of dense vegetation
Here is your answer
The Prussian state power dominated the nation building process in Germany. The key role was played by Otto von Bismarck, its chief minister with the help of Prussian army.
There were three wars over 7 years with Denmark, Austria Hungary and France between 1864 and 1871 which ended in Prussian victory.
HOPE IT IS USEFUL
Religion and government, because he wanted them to be separated
In my opinion the western front is more important. It lasted longer than the eastern front and show the ignorance of the schlieffen plan. The western front is also the front the United States took part in.