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 for the investigation, explaining their relevance to the topic. However, they only specified the nature of one source and did not provide a precise analysis and evaluation of the content of the sources. They have provided a precise analysis and evaluation of the values and limitations of the origin and purpose of both sources.