Final answer:
The Raven-Trickster stories are indeed prevalent among the indigenous peoples of the Pacific North-West, serving as integral parts of their cultural heritage and teaching moral lessons.
Step-by-step explanation:
The statement that many Raven-Trickster stories are found among indigenous peoples of the Pacific North-West is true. The Trickster, often depicted as a raven, is a common character in the folklore and mythological traditions of Native American cultures, particularly among the peoples of the Pacific Northwest, such as the Haida, Tlingit, and Tsimshian. These stories serve multiple functions, including entertainment, education, and cultural preservation, often imparting moral lessons or explaining natural phenomena.