The student has clearly stated an appropriate and specific question for the historical investigation, focusing on the necessity of the bombings of Hiroshima and Nagasaki to end the Second World War. The selected question has a clearly defined scope and is advised to be made more specific by adding the dates of the explosions. The student has chosen appropriate and relevant sources for the investigation, incorporating articles from well-known journals, an interview, and a book. The relevance of the sources to the topic of the investigation has been clearly explained. However, the student did not state whether the chosen sources are primary or secondary, and a precise analysis and evaluation of the values and limitations of the origin of the two selected sources is lacking. The student has provided a precise analysis and evaluation of the values and limitations of the purpose and content of the two selected sources, offering multiple perspectives for the investigation.