The answer to this question is 3-D references.
3-D references usually contain same cell range on several different sheets. A 3-D reference is often used so sveral worksheets could follow a certain pattern when you put same data. This will make you able to input it faster rather than have to do it over and over again.
It was because they didn't want to pay for tax
I believe the answer is: He believed that decisions should be made with practicality and force.
Bismarck believed that a nation shall not be afraid to use forces in order to establih control and superiority toward other nations.
Due to the similarities in principle, Nazi Germany honored his name by using it as the name of their battleships.