What difficulties and challenges do you face when writing research reports?

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 change should be made to improve this sentence? allen jumped in the puddle and his new shoes got wet and muddy.a)the new shoes got wet and muddy and allen jumps in the puddle.b)allen jumped in the puddle and got his new shoes wet and muddy.c)allen jumped in the puddle and gets his new shoes wet and muddy.d)the new shoes are getting wet and muddy and allen jumped in the puddle.

In researching his history report about the civil war, why is ariq most likely to use secondary data than primary data?