The student clearly stated an appropriate and specific research question for the historical investigation, focusing on the contributions of Giovanni Falcone and Paolo Borsellino in suppressing the Italian mafia during the 1980s and 1990s. The scope of the question is well-defined, specifying both the time period and significant historical figures involved. The student selected relevant sources that align with the investigation's topic, effectively identifying their nature as primary and secondary. However, the student did not clearly explain the relevance of the sources to the investigation. Nonetheless, a precise analysis of the values and limitations of the origins, purposes, and content of the selected sources was provided, showcasing a comprehensive understanding of their significance in the context of the research question.
