World War I Crossword Puzzle

A large passenger ship, thousands of people died when it sank
Troops fight from trenches facing each other
"secret telegram" that was supposed to go to Mexico
A rapid build up of military power
A prevention of goods or people leaving a certain place
Information used to influence public opinion
A feeling of intense loyalty to a country
An agreement to stop fighting
System where countries promised to have each other's backs
A group of ships that escort and protect other ships
Situation in a conflict where neither side makes progress against the other
Trying to build up an empire through diplomacy or military force
A period marked by an increase in products and money
Men ages 21 to 30 were required to register for war
November 11th
Nickname for American soldiers
Great Britain, France, Russia
Germany, Italy, Austria-Hungary
America's President during WWI