Fall of the house of usher how do the works of art described in the story (the story of mad trist of sir lancelot canning) reflect the stories events?

Ponyboy says that it is not just money but rather feelings that separate the two classes use the text to decribe if this is a fair statement

Read the excerpt from julius caesar, act 5, scene 5. brutus. why this, volumnius. the ghost of caesar hath appeared to me two several times by night—at sardis once, and this last night, here in philippi fields. i know my hour is come. volumnius. not so, my lord. brutus. nay, i am sure it is, volumnius. thou seest the world, volumnius, how it goes. our enemies have beat us to the pit, [low alarums] it is more worthy to leap in ourselves than tarry till they push us. which prediction about the plot does this passage most support? brutus will replace caesar. brutus will take his own life. brutus will surrender to his enemies. brutus will be forever haunted by caesar.

Based on your knowledge of word parts what does the word intervene mean