WW1 Crossword Puzzle- Milan Shah

When The 2 opposing sides dig holes on each side of the battlefield this is called:
The Year WW1 ended
the year WW1 began
the main country that started ww1
The most dominant battleship (not used to often) during WW1
The Emperor of Germany during WW1
When 2 Countries create an agreement to protect one another this is an:
The alliance of Germany, Austria Hungary and Italy
The Continent that WW1 took place in
The president who brought America into the war in 1917
The Treaty that ended the war and made each country pay its debt in damage
These were first used for scouting then were in aerial combat in WW1
The Passenger line that German U - Boats sank that brought America into the war
These naval combat machines counted as submarines but submarines didn't count as them
The year that Russia got pulled out from the war
This is when someone has strong pride and belief in one's country
A way of extending a country's power through militaristic force
A belief that one's country should maintain a strong military force and make sure that it's prepared
This assassination was the last event that led to the cause of WW1
This alliance was made up of France, Russia and Great Britain
This country had the largest military during WW1
Fought in northern France, this battle started in 1916 and by the end of the first day, 60,000 British troops died
The area of land in between the 2 opposing trenches
Who pulled Russia out of the war and made it communist