Answer:
The correct answers are:
B) The British promised them land. - The Iroquois wanted to claim and settled in the land along the Ohio River, and the British said that they would agreed to that after winning the war against the colonies.
C) The British promised them weapons. - By the time of the American Revolutionary War, the Iroquois had become dependend on European goods, such as firearms, which they used for hunting. The Iroquois reasoned that if the British won the war, the supply of goods would continue as usual.