What is the predicate of Delete the tree has needles on instead of leaves

Italked more quickly—more vehemently; but the noise steadily increased. i arose and argued about trifles, in a high key and with violent gesticulations; but the noise steadily increased. why would they not be gone? i paced the floor to and fro with heavy strides, as if excited to fury by the observations of the men? —but the noise steadily increased.what is the effect of parallelism in this excerpt? it emphasizes the narrator’s paranoia. it emphasizes the narrator’s anger. it emphasizes the narrator’s grief. it emphasizes the narrator’s confusion.

Which of these can an adverbial clause modify?

The travels of marco polo. which sentence best reflects author’s subjective perspective on the people of japan?