How did Chief Joseph of the Nez Perce react when he became aware that the United States Army would retaliate for the death of four white settlers? ( a). He renegotiated the Nez Perce treaty with the United States, giving up more tribal land.
(b). He prepared his people to leave their reservation and flee the United States Army.
(c). He negotiated with other tribes to create a unified force and attack the United States Army. He and his people in built a fort and waited for the United States Army to attack.