The answer is 5: a thesis
The <em>repetition of a specific theme dominanting</em> of things that have a significance in a literary work is what this literay device, motif, is about. It helps to develop the central theme. And, being a <em>recorring </em>element, it can be used as a <em>reminder of certain ideas</em> for the readers; <em>it's like the claim or main argument about a topic.</em>
A satire on the social beliefs and the economic conditions of Europe at the time
Doesn't he think that he hears the heart beating under the floor board?
Because he hears this faint beating leaving him to be paranoid that the cops know that he hid that guy under there.
Answer:
We are proud of our country.