World War I

Worksheet – H-12

1. Germany’s ____________ ____________ caused the United States to enter World War I in 1917.

2. Initially, President Wilson stated that the United States would _______ _______________ .

3. The Central Powers consisted of the following countries: ____________ __________________________________________________.

4. The Allies consisted of the following countries: ____________________ ______________________________________and the US after ______.

5. The National Defense Act of 1916, stated that all able-bodied men between the ages of ___ and ___ were subject to __________________.

6. The Selective Service Act of 1917 prohibited the purchasing of _________________________.

7. Trench warfare was safe and sanitary. (yes/no) Explain why or why not: __________________________________________________________.

8. German submarines called __________ were powered by ________ engines were initially successful in destroying US shipping.

9. The US began to use destroyers and submarine chasers to counter the German submarines and they used the __________ system to transport supplies and troops across the Atlantic Ocean.

10. The US later used _______ in the North Sea to combat the German submarines.

11. The above tactic was so successful that it caused the German submarine crews to _____________.

12. The US was _____ ___________ for warfare at the beginning of WWI.

13. Pilots that wanted to fight in the war went to ___________ and formed the _____________ ____________ unit.

14. Allied pilots that shoot down ___ aircraft before they become an ace.

15. German pilots that shoot down ___ aircraft before they become an ace.

16. French pilot _________ ___________ mounted metal plates on his propeller to prevent it from being damaged when he shoot his machine gun.

17. Dutch aircraft designer ___________ ____________ built a gearing system to allow the machine gun to fire through the propeller without damaging it.

18. ________________ was the first black pilot to earn a pilot’s license.

19. __________________ was the only living American to be awarded the Medal of Honor during WWI.

20. To strafe is to fly ________________________________________.

21. The destruction of enemy lines of communication by bombing or gunfire is known as _________________________.

22. The highest altitude that an aircraft can climb is called the ___________.

23. Bonds formed between states, parties or individuals are known as: ______________________.

24. Late in the war, the US produced quality __________ ____ that solved the problem of jamming or malfunctioning.

25. The major lesson learned after WWI was that the country that controls the ___________________________________________________.