I have to identify three challenges that might arise when writing a paper. I have read the chapters and can't find the answers can you help me?

Challenges when writing a paper?

Choosing a topic.
Researching.
Deciding on a position to take.
Writing an effective thesis statement.
Outlining the supporting information.
Writing the paper.
Writing an effective introduction.
Writing an effective conclusion.
Editing.
Proofreading.
Proofreading.
Proofreading.