Why do authors use pen names?

“Write an essay (with introduction and conclusion) on the suggested topic.
Your introduction should include the thesis statement – main idea of the paper (here is more detailed explanation – https://essayshark.com/blog/how-to-write-a-thesis-statement-to-make-it-clear/). Don’t include any new information in the conclusion. It should  restate the thesis statement of the paper.
Support your ideas with relevant arguments and examples (in-text citations). List 2-3 sources in the references. Make sure you stick to a required formatting style. Get benefits of these sources citationmachine.net and easybib.com.
MLA format – https://owl.english.purdue.edu/owl/resource/747/01/ https://owl.purdue.edu/owl/research_and_citation/mla_style/mla_formatting_and_style_guide/mla_in_text_citations_the_basics.html”