And that is a telling sign of your developing character. It's called small talk, dear. Getting a foot in the door.
It wasn't Muggles who went to war. It was Purebloods. They went to war, killing and torturing Muggles and Muggle-borns because they wanted to enslave them. Muggle studies are for magic born students. Not the other way 'round. And most people in my era don't hold with the term mudblood.