Vocabulary posters designed to meet Washington state's Since Time Immemorial (STI) requirements for elementary (K-5) students. They are a great starting point for beginning Since Time Immemorial lessons. These center around tribal nations from the Seattle area (Duwamish and Snoqualmie).These posters include definitions for: indigenous, Native American, tribal nation, treaties, sovereign nation, tribal sovereignty, culture, reservations, Duwamish people, Snoqualmie people, Coast Salish people, an