 Complete the following phrase:  Governor Dinwiddie sent Washington back to the Ohio Country to protect an Ohio Company group building a fort at present-day Pittsburgh, Pennsylvania. Before he reached the area, a French force drove out the companys crew and began construction of Fort Duquesne. With Mingo allies led by Tanacharison, Washington and some of his militia unit ambushed a French scouting party of some 30 men, led by Joseph Coulon de Jumonville; Jumonville was killed, and there are contradictory accounts of his death. The French responded by 