The essay is written to conform to past content. No other subjects should be written, the reader has the impression that there are many ways how to write.It can summarize the entire contents, understood in the last pharakraf.
The sort of writing in accordance with the past, not outside of content should be written for readers the impression. The ways of writing in many ways it can summarize all content to understand in the para กราฟสุดท้าย.