Question

The German Blitzkrieg referred to?
The living space in the east that was necessary for an expanding Germany
An elaborate series of concrete bunkers built on the experiences of the World War I
The Nazi plan for a Final Solution to the Jewish question
A lightning war

Answer 1

The German Blitzkrieg referred to "a lightning war." This term describes a military strategy that emphasizes rapid and surprise attacks using coordinated forces of infantry, tanks, and air support to quickly overwhelm the enemy.