The correct answer to the question is:
C. Salmon
Salmon was not only a major food source but also a significant part of the cultures of the Indigenous peoples of California and the Northwest Coast. In these regions, salmon played a crucial role in their diets and served as a staple food source. Additionally, salmon held cultural and ceremonial importance, symbolizing abundance, renewal, and sustenance in Native American cultures of these areas.
Salmon was often celebrated through rituals, ceremonies, and artwork, showcasing its significance beyond just being a food source. The fishing, preservation, and preparation of salmon were integral aspects of the traditions and practices of the Indigenous peoples of California and the Northwest Coast, highlighting the deep connection between salmon and their cultures.