The stage of in which setting is introduced is called conflict exposition.
I don't know the clues, but ardent means to be passionate about something. Like, shes very ardent about art
First of all, leaving family and friends and going to the war needs a lot of courage to do...and after going there if you are going to fight against your own country, first of all you feel guilty for doing such a thing, second of all you will never make it against your own country, because even if you win the war you will feel guilty for rest of your life which is like you lost.... It is a very hard time difficulty for sure if things are going to happen like this
I would probably not fight against but for my country