In the sentence "Edgar Allan Poe's health failed during his final years," what is the prepositional phrase during his final years acts as

Read the excerpt from chapter 34 of the awakening. "fine fellow, that lebrun," said arobin when robert had gone. "i never heard you speak of him." "i knew him last summer at grand isle," she replied. what becomes apparent during this conversation? robert and arobin are both aware they are rivals for edna’s affections. arobin is unaware of robert’s role in edna’s life, but robert is aware of arobin’s role. robert is completely unaware of arobin’s romantic intentions and love for edna. robert has much more confidence in himself than arobin does.