Joseph Brant,a Mohawk,was a British Ally in the American War

 Joseph Brant,a Mohawk,was a British ally in the American War of Independence because

A) he had been an ally against the French in the Seven Years' War. 
B) the British recognized Mohawk sovereignty.
C) he was a trade partner of the British but not the colonists.
D) colonists had killed his wife and children.
E) he was concerned that slavery might be extended to Amerindians.