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I have like 7 questions for history dealing with WWI.? - trench foot how it was dealt with

1.)
Define and explain, trench foot and Shell Shock.
2.)
The exact meaning of "total war"?
3.)
Who was the Red Baron, and what the people are not fighting?
4.)
What was the Bolshevik slogan of change and use it?
5.)
Vladimir Lenin was a scholar and a supporter of the socialist thinkers?
6.)
How was trench warfare on the Western Front?
7.)
What are some of charastics "No Man's Land"?

I have 2 KNO these questions for the story and would appreciate any help in this regard.
If you know that some of them are easy to answer this party. But please, what is the number of number that you answer .. (: Thankyouuu .. (: