Sailors in the 16th-18th century dreaded "rounding the horn" of South America because of strong winds and heavy seas. Cape Horn is about latitude 55°S at the tip of South America. These sailors were using a passage from the Atlantic to Pacific Ocean that was actually a stormy ocean now often called ________.
◦ the Indian Ocean
◦ the Australian Ocean
◦ the Southern Ocean
◦ the Antarctic Ocean