At the end of the island away from the garrison, the flotilla lands. While the soldiers use Dousman's ox team to lug the two brass cannon to the top of the cliff overlooking the fort, Dousman himself returns to the village, quietly awakening each family and herding them back to the end of the island where the landing was made. Through the night the village is slowly emptied, a house or two at a time. When Hanks awakes the next morning it's to an odd, ominous silence. A military surgeon who lives in the village arrives, informs his commander of the situation.
Hanks is no fool.
The guns loom overhead. Defeat will most likely mean very unpleasant, messy deaths for his entire force, at Indian hands. And once the killing starts it will probably spread to encompass the villagers, despite any British efforts to halt it. He surrenders without a shot. The islanders survive.