Supporting Evidence are the facts or details that back up a main idea, theme or a thesis.
The answer is "the animal shelter"
In the sentence, "Because the animal shelter was filled with dogs and cats, the noise in the building was incredibly loud" the subject is the animal shelter. Subject in the sentence refers to the person, place, or thing that is doing or being something.
Assonance and alliteration
They got expelled from his home in Sighet since he was a Jewish foreigner he eventually comes back to warn the townspeople what is coming