Final answer:
The main point of the quotes is that authors articulate and support their positions on governmental and societal issues, influenced by their historical context. The correct answer is option 3, indicating that authors feel the need to rationalize their causes to gain support.
Step-by-step explanation:
The primary focus of the queries seems to revolve around understanding the motivations and the historical context influencing authors and their written works, particularly in relation to governmental functions and the role of the people within it. This addresses a common theme in literature - the reflection of the era and the philosophical groundings that shape narratives. Examining these works from a historical and philosophical perspective adds depth to our interpretation of texts, identifying how authors express their viewpoints and persuade their audience on the prevailing issues of their time.
The context given in the excerpts suggest that the authors feel compelled to explain their position because of the 'opinions of mankind,' pointing towards quote 3 as the correct answer. This emphasizes the need to justify their causes and persuade others to their viewpoint. Literature becomes a medium for authors to declare their stances, influence the public consciousness, and leave a lasting impact that resonates with societal values and questions of philosophy and humanity. The answer is option 3.