Final answer:
The excerpts about missionaries in the research paper present opposing viewpoints and credible sources, offering a nuanced perspective and contributing to the historiographical discussion.
Step-by-step explanation:
The two excerpts about missionaries were used in the research paper to show opposing viewpoints, which contributes to presenting a more comprehensive and nuanced understanding of the historical context. Including multiple perspectives is crucial in historical research as it provides a platform for a balanced argument and encourages critical analysis. The inclusion of both primary and secondary sources also lends credibility to the research and enables a more thorough exploration of historiography, which examines how historians have interpreted events in the past. Furthermore, selections from credible sources ensure that the information is trustworthy and adds depth to the ongoing academic conversation related to the subject matter.