Answer:
I'm pretty sure it's A.
He told the French to leave the Ohio River Valley, behaved heroically at Braddock's defeat, and his surrender of Fort Necessity was considered one of the first battles of war. In 1753 Washington was sent as an ambassador from the British Crown to the French officials and Indians as far north as present-day Erie, Pennsylvania.
The correct answer is Fort Duquesne. At first the French controlled it and the British attacked to take it from them. The french withdrew and destroyed the fort when they realized the British were going to win and this became a major victory for the British army.
D. American Indians protesting the influx of immigrants