Read the excerpt from Rena Kornreich Gelissen’s Rena's Promise: Two Sisters in Auschwitz.“I have a favor to ask of you, Andrzej . . . This is very difficult for me, but I must ask. It is no longer safe in Tylicz for Rena. Her mother and I are worried for her safety every day.” Read the text and study the image from Art Spiegelman’s Maus.The theme best expressed in both excerpts is