Eastern Front Crossword

What world war was the eastern front involved in?
what year did the eastern front start?
what do you use to fight with
when you argue with someone another word can be...
when did the eastern front finish?
what front is this??
big machinery that takes out masses of people
what are inside guns which shoots out of barrel?
the main country involved was....
eastern frontier was Russia Empire against....
when you dig holes underground in war it is called
when there is a battle underground it is called....
the area of the war was called
the people fighting are called
what month did the eastern front start