Before revision: However, this route, passing south of the three great capes and running for much of its length through the Southern Ocean, also carried the greatest risks, exposing ships to the hazards of fierce winds, huge waves, and icebergs.
After revision: (the Cape of Good Hope, Cape Leeuwin and Cape Horn)However, this route, passing south of the three great capes and running for much of its length through the Southern Ocean, also carried the greatest risks, exposing ships to the hazards of fierce winds, huge waves, and icebergs.