1. What new technology was used to drop bombs from the air?

2. What armored vehicles were used to cross the dangerous area between trenches?

3. What kind of warfare caused a stalemate along the western front for several years?

4. What was the land between two enemy trenches called?

5. Which of the following used mustard and chlorine gas?

6. Which type of weapon was responsible for most of the casualties during the war?

7. What were tanks first called by the British?

8. What weapon was used by German troops on the western front to force soldiers out of the trenches?

9. What was the main way troops were transported during the war?

10. What weapon was less effective once troops were equipped with gas masks?