Which of the following was not introduced as a new weapon during World War I?
B The Red Baron
C mustard gas
. 2. Why did most of the fighting in World War I take place in such a small area?
A There is only a small amount of flat land in Europe.
B Trench warfare immobilized the armies.
C The German and Allied armies were the largest.
D Germany’s military strategy was based on static warfare.
3. Who used chemical warfare first?
B Great Britain