The student has clearly stated an appropriate and specific question for the historical investigation, with a clearly defined scope in terms of dates, significant historical figures, and historical events. They have chosen appropriate and relevant sources and explained their relevance to the topic of the investigation. The nature of the chosen sources has been explained in terms of their form, and a precise analysis and evaluation of the values and limitations of the origin, purpose, and content of the two selected sources is present. However, to ensure a full mark in some subcriteria, the student should have provided more specific details.