1. Deadly Weapons
Part 5

2. New military technology was being used in World War I
New military technology was being used in World War I. The Germans began building powerful ships called submarines. The submarines were able to travel underwater, sneak up on a ship and sink it.
U Boats

3. Poison Gas The Germans also used poison gas to kill their enemies.
Then the Allies used it.

10. Artillery
Heavy artillery
Favored by generals
Big Bertha
German

11. grenade

13. Maxim Machine Gun 1889

18. THE GERMAN 7.65 mm and 9.00 mm MP/18-1 BERGMANN MACHINEPISTOL

19. This bloody trench warfare continued for more than three years
This bloody trench warfare continued for more than three years. Neither side gained territory, but more than one million soldiers died.

29. New weapons and tactics made World War I very destructive.

30. Soldiers faced miserable conditions, including filth, trench foot, trench mouth, “shell shock” from constant bombardment, vermin, poison gas, and disease.