How did the Spaldings show that they had a friendly relationship with the Nez Percé? a...The Spaldings adopted orphaned Nez Percé children.
b..Henry Spalding translated parts of the Bible into the Nez Percé language.
c..Henry Spalding brought the Nez Percé religion back east.

(Missionaries and Pioneers in the Pacific Northwest, WA state history)

The answer is B-Henry Spalding translated parts of the Bible into the Nez Percé language.

Herry was generally successful in his interaction with the Nez Perce, baptizing several of their leaders and teaching tribal members by developing an appropriate written script for the Nez Perce language, and translating parts of the Bible, including the entire book of Matthew, for the use of his congregation.