World War 1 Crossword

Loyalty and devotion to a nation.
A policy of aggressive military preparedness.
Archduke of Austria-Hungary assassinated by a Serbian nationalist. A major catalyst for WWI.
Austria-Hungary, Germany, Ottoman Empire
Alliance of Great Britain, Soviet Union, United States, and France during World War II.
Neutral country invaded by Germany.
Deep ditches used in battle for cover against enemy gunfire.
A British luxury liner sunk by a German submarine in the North Atlantic.
Type of naval warfare in which submarines sink vessels such as freighters and tankers.
A document signed by Germany and the Allied Powers following WW1.
Goals of the US in the peace negotiations after WW1 .
An international organization established after WW1 under the provisions of Treaty Of Versailles.
The spreading of ideas about an institution or individual for the purpose of influencing opinion.
Debt securities issued by a government to finance military operations.
A promise made by Germany to the US in 1916, during WW1 before the latter entered the war.