It’s not hard for MC to communicate with animals. He/she can hear their voices and understand them. It’s an ability. Also they can understand you. For example: your wolf will be loyal to you. She will do what you say. Even if someone treats you bad, she won’t attack them if you don’t want to.
You will learn about them in the next updates. I have already given a lot of spoilers to you. It makes the game really boring when players know everything about the story.
The only reason is the land. Thomas and Henry are both stubborn men. That’s why they are still at war.
I really don’t know how to draw a map Maybe I can ask someone to draw it.
Religion is not important in this game.