World War 1 Crossword

This printable crossword puzzle on the topic of World War I has 12 clues. Answers range from 3 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

What was used for people on ships to get snuck up on ?
A formal agreement between two or more nations or powers to cooperate and come to another's defense
The "I" in MAIN
President During WW1
A union or association between three powers or states
A ship that was sink in World War 1 by German U-boats
A military conflict centered on Europe that began in the summer of 1914. The fighting ended in late 1918
World War 1 military strategy of defending a position by fighting form the protection of deep ditches
Strip of land between the trenches of opposing armies along the western front during WW1
German Submarines
President Woodrow Wilsons plan for organizing post WW1 Europe and for avoiding future wars
Teams of troops,ships,or equipment