Answer:
The historian may present information about Spanish conquistadors before the section about Cortés's conquest of the Aztecs in order to provide context and background information for the reader. By discussing the experiences and motivations of other Spanish explorers and conquerors, the historian can help the reader understand the broader historical context in which Cortés's conquest took place. Additionally, learning about the actions of other Spanish conquistadors can help the reader understand the tactics and strategies that were commonly used in the conquest of the Americas, which can be helpful in understanding Cortés's own approach.
Furthermore, the historian may also want to provide a comprehensive view of the Spanish conquest of the Americas, rather than focusing solely on Cortés and his conquest of the Aztecs. By discussing the experiences of other Spanish conquistadors, the historian can help the reader understand the larger historical trends and events that shaped the Spanish colonization of the Americas.