The gentlewoman will not be coaxed to reveal what she has heard, because she has "no witness to confirm my speech." There is only her word that Lady Macbeth has said what she has said, and the gentlewoman does not want to be responsible for whatever consequences may come of her reporting these things.
Answer:
Britain and France disputed borders in the Ohio River Valley.
Explanation:
The French and Indian War, which took place between 1754-1763, began due to a conflict between England and France over control of the Ohio River Valley. Both sides wanted control over the valley so that they could expand their settlements into the area.