Hello. You have not shown what is the text to which this question refers, which makes it impossible for me to give you an exact answer. However, I will try to help you by showing you how to identify the effect of a sentence in a text. I hope it helped you.
The effect of the sentence is the feeling that the sentence transfers to the reader during reading, that is, it is the way that the writer can impact the reader around the narrative, giving a general idea, which is received with a strong impact by the reader, that is, reading the sentence, reveals an idea and conveys a feeling, causing an impact on the reader.
