Chinook Jargon (Chinuk Wawa) is the trade language that developed in the Pacific Northwest during the Oregon Country days, when European and Americans and Indigenous peoples interacted and traded with each other.

Links:

https://en.wikipedia.org/wiki/Chinook_Jargon

https://chinooknation.org/language/

https://www.grandronde.org/culture-history/chinuk-wawa-language/