Answer: To ensure a good harvest
Explanation:
The reason is because the purpose of dance rituals in Iroquois culture is usually to ensure a good harvest and to appease the spirit of animals in which the dance was performed by the patient and paired conductors, dance leaders, and singers from opposite moieties
IThe metaphor affects the meaning in the sense that it is not at all helping the other features in showing positive emotions. In this case the feelings are not so positive. the author says that the moon is quiet, dark and it is tattoo on the sea. The author is showing that moon is acting differently. The moon becomes the spoiler of the scene.
The answer is D. I because it is the object of a preposition