World War One Crossword

This printable crossword puzzle on the topic of World War I has 12 clues. Answers range from 6 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Russia, France and Great Britain were members of this alliance.
Germany was a member of this alliance.
This Archduke was assassinated on June 28, 1914.
A source created by an eyewitness
A textbook is type of this source.
A-H blamed this country for the assassination.
Pride in one's country. (Word ends in 'ism')
Soldiers developed this condition because their feet were so wet.
Germany invaded this country first.
Creating an empire by establishing colonies. (ends in 'ism')
Soldiers dug...
The race to build bigger, stronger militaries