why there’s not literature review section in the essay ?

There may be several reasons why there is no literature review section in an essay.

1) The essay may not require a literature review. Some essays may not require an extensive literature review if the topic is narrow, or if the focus is more on personal opinions or experiences rather than conducting a systematic analysis of existing literature.

2) The essay may be too short to include a literature review. If the essay has a word limit or page limit, the author may prioritize other sections of the essay, such as the introduction, main body, and conclusion, over including a literature review.

3) The essay may not be a research-based essay. If the essay is more of an opinion piece, creative writing, or personal reflection, a literature review may not be necessary or relevant to the topic.

4) The essay may have included relevant literature within the main body. Instead of having a separate literature review section, the author may have incorporated relevant literature into their arguments, examples, or discussions throughout the essay.

It's important to note that the presence or absence of a literature review section in an essay can vary depending on the specific requirements of the assignment, academic discipline, and the author's approach to the topic.