Final answer:
The Northwest Coast people relied on salmon as an important resource, along with halibut.
Step-by-step explanation:
The Northwest Coast people relied on salmon as an important resource. Salmon was so abundant that they could easily capture them using traps, dams, or spears. They would then either eat the salmon immediately or dry it for later use. Additionally, halibut was another important fish species that formed a staple of their diets.