Advantages of the sources used by Robert M.

1. Primary sources provide firsthand accounts of events, giving a more accurate and detailed perspective on historical events.

2. Primary sources can offer unique insights and perspectives that may not be found in secondary sources.

3. Primary sources can help to corroborate information found in secondary sources, adding credibility to the research.

4. Primary sources can provide a more personal and human element to historical events, allowing readers to connect on a deeper level with the subject matter.

5. Primary sources can help to uncover new information or perspectives that may have been overlooked or ignored in previous research.

6. Primary sources can help to challenge and question existing narratives and interpretations of history, leading to a more nuanced and comprehensive understanding of the past.

Due to the lack of context, I cannot provide the advantages of the sources used by Robert M. Please provide the necessary information so I can assist you better.