The model 20S was made from 1911 to 1916, and then again after WWI in 1922. Prices ranged from $11.50 in 1911 to $16.80 in 1916, and $23.50 in 1922. The model 20S was an improvement in strength over the original model 20 locking bolt system, to handle modern hi speed ammo.
The original model 20 came out in 1906.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.