This is supposed to be an IB Extended Essay, so needs to be very carefully written.
I. Introduction

What is your research question?

Why is the research question significant and worthy of study?

Why is the research question significant to you personally?

What is your thesis?

What is your game plan for the rest of the essay?

II. Body

What is the background information needed in order to understand your research question and thesis?

What are the distinct elements of your thesis? How can the thesis be divided and broken down into parts?

What are the central arguments you will make to defend your thesis?

What are the topical subsections of your body? Outline each subsection of the body.

How does each subsection build upon the previous subsection and lead up to the next? How does each subsection contribute to your defense of your thesis?

What evidence will you present to support your arguments and thesis?

What are your key sources? How will you integrate the evaluation of your sources in the Body?

How will you integrate critical analysis into your Body?

III. Conclusion

How have you sufficiently answered the research question and defended your thesis?

What are the major strengths of your thesis and your analysis and defense of it in your essay?

What could you have done better in the essay? Evaluate your own work critically.

What are the new questions and unresolved questions which have arisen from your research and analysis?

IV. Bibliography

Include only those sources you have cited in the essay.