Trench life Crossword

Weapons making it almost impossible to attack across "no mans land" (two words)
Soldiers enjoyed writing and receiving these to and from loved ones at home
Men suffered from this after being shelled for hours to days
This was everywhere
These creatures filled trenches
Soldiers were never free from these pests in the trenches
When the trench soldiers thought the war would end
What would likely happen to you if you put your head above the trench
Materials used to slow down the enemy's attack towards your trenches
Almost as many solders died from this in the trenches as did wounds
This was your constant companion or closest "friend"
Territory between opposing sides was called "no man's ...."
Where all soldiers wanted to be after spending time in the trenches
What everyone in the trenches wanted to happen soon in the war
What kind of #9 across that ripped mens clothing