The student has effectively outlined the topic of their study at the beginning of the essay, making its aim clear to the reader. The chosen topic, which pertains to the collapse of the Sunningdale Agreement of 1973 and the role of the British government, is meaningful and regards the human past, meeting the criteria for a historical investigation. The research question is posed as a clear question with an appropriate question tag and a question mark at the end. The essay incorporates both primary and secondary sources, providing a sufficient foundation for the student to develop a supported investigation and a relevant conclusion to the research question. Overall, the essay demonstrates a deep understanding of the topic and facilitates a systematic investigation and critical analysis.