One side faces the river, and another the sea.
"It is a wonderful fort," the Ashanti general said, much impressed by its appearance.
"Yes," Frank replied.

"And there are cannon on the top, those great black things you see sticking out.

Those are guns, and each carries balls enough to kill a hundred men with each shot." The general looked for some time attentively.

"But you have castles in the white men's country, how do you take them ?" "We bring a great many cannon throwing balls of iron as big as my head," Frank answered, "and so knock a great hole in the wall and then rush in." "But if there are no cannon ?" the general urged.
"We never attack a castle without cannon," Frank said.

"But if we had no cannon we might try to starve the people out; but you cannot do that here, because they would land food from the sea." The general looked puzzled.