Concerned about the impacts of European settlement, Boas and his students rapidly gathered ethnographic material from Native American groups so they could learn as much as possible about them. This type of study is known as .

Salvage Ethnography.

Explanation:

This term was been coined by Jacob Gruber, who identified its emergence with 19th century ethnographers, documenting the languages of peoples being conquered and colonized by European countries or the United States.

Salvage ethnography as an early form of fieldwork was utilized in response to concerns about Native American populations being devastated by the westward expansion of European settlers.

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