A lingerinf impact of the Whitman massacre was that it resulted in further violence between whites and Native Americans. Option A is correct.
The Whitman massacre was the killing of Oregon missionaries Marcus Whitman along with Narcissa, his wife and eleven other people, on November 29, 1847. They were murderer by members of the Cayuse tribe who accused him of having poisoned 200 Cayuse in his medical care. The massacre kicked off the Cayuse War. and occured in southeastern Washington state near the town of Walla Walla.
