Over 200 cannon and gun ports were set within the walls, and the fort was essentially a firing platform, with a shape that allowed many lines of fire; its low curved bastions were designed to deflect cannon balls.
Cannon and gun ports were set within the walls. This was over 200. The fort was essentially a firing platform. This was with a shape. This shape allowed many lines of fire. Its low curved bastions were designed to deflect cannon balls.