The Military Experts Across Europe Had Come to Some Rather

Multiple Choice

The military experts across Europe had come to some rather solid conclusions concerning any conflict that might erupt, and their governments proceeded accordingly. Which of these conclusions turned out to be wrong?

A) The offense will have a big advantage over the defense.
B) The war will be won within a few weeks.
C) Thanks to improved transportation and communication networks, the country that seizes the initiative most quickly will have a tremendous advantage.
D) The new technology that has given us heavier cannons and the ability to use much larger armies will favor whichever country takes control in the early days of fighting.
E) Each of these conclusions proved to be incorrect.