Ramerald's Favorite

lol imagine waking up in a middle of a war

I'm undoubtedly lost.. I can't understand what she's trying to do. Ofc, they're going thru a trial cuz of jeremy. But why is she bringing up the story abt her marriage. What would cancelling the marriage even do? Will it help Jeremy in any way? And what is the battle of honor? Plus, what's with the letters that is shown as evidence (?) there? I dont understand the contents despite reading it countless times