Native Group that translates to

"Raccoon Eyes"

More given to tattooing than most Plains Indians, they were known by other groups as the “tattooed people.” Their name for themselves, Kitikiti'sh, means “raccoon eyes,” a reference to a distinctive tattoo around the eyes.

Explanation:

lmk if im correct i just learned this lol

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain

it was bribing i think i might be wrong though