Hey there! I'm happy to help!
From, the excerpt provided, I see the words Jewish and gas chambers. These are key words that help us figure out that it is about the Holocaust, because during this horrific event Jewish people were gathered up, put into concentration camps, and sometimes gassed to death.
I have not read Maus but I do know that it is about the Holocaust. Many images talk about Hitler, the despot the pioneered the horrific Holocaust.
Therefore, the main theme addressed in both excerpts in The Holocaust.
I hope that this helps! Have a wonderful day!
