Abstraction because it is a form of art that means "<span>freedom from representational qualities in art."</span>
Mr. Birkway was not upset with Phoebe because he read her suspicions out to the class in her private journal, he then explained to Phoebe what happened regarding Mrs. Cadaver, Mr.Cadaver, Mrs. Partridge, and himself.
I think that would be cubism
Religious themes that were meant to both instruct and fascinate. Hope this helps !