The author's viewpoint in "The Iroquois Confederacy" was simply to state that:
Based on the complete text, we can see that there is a narration about the Iroquois Confederacy and how the rules stated there guided the tribes as the body of laws which guided them were called Gayanashagowa (Great Law of Peace).
With this in mind, we can see that the author's viewpoint was about how the Iroquois Confederacy was instituted as an effective democratic system.
Therefore, the correct answer is option C
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