This printable word search puzzle on the topic of World War I contains 15 hidden words in a 24x24 letter grid. Words go horizontally, vertically, backwards, and diagonally. This word search is also available to download as a Microsoft Word document or a PDF.
Archduke Francis Ferdinand
National war labor board
Selective service act
League of Nations
Zimmerman note
Trench warfare
Liberty bonds
Allied powers
Central Powers
Militarism
Communist
Lusitania
Stalemate
U-boats
Mobilize