Answer:
because women were seen as too weak and fragile to see the wounds of the soldiers.
Explanation:
sexism.
I believe it is the 'domino theory' as one country falls then pushes the next to fall and so on and so forth. Just like dominos.
The literature became a bit more negative, with more dystopian themes than utopian themes. Same with the art, before World War I the writings were more elegant and uplifting, but then afterwards became more realistic and dark. Hope it helped
I forget his name but is was some Spanish guy