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.
Freedom from fear means that no one should be in fear of their government, its armed forces, police who act undemocratically, or even their neighbors.
To figure out why and how people communicate the way they do!