For fifteen points, name this American-born explorer who followed the 520-mile course of a river now named for him which ends in present-day Vancouver, British Columbia.
: Explorers  He was acquitted of any wrongdoing in the conflict over the Red River Settlement, known as the Seven Oaks Massacre. For fifteen points, name this American-born explorer who followed the 520-mile course of a river now named for him which ends in present-day Vancouver, British Columbia.
: Explorers  He was acquitted of any wrongdoing in the conflict over the Red River Settlement, known as the Seven Oaks Massacre.
Simon {Fraser}