In which country would you expect the channels to be marked with the IALA-B Buoyage System?

Correct Answer: Option D — Brazil

Brazil follows the IALA-B buoyage system, which is standard for the Americas. Under this system, red buoys are kept to the port side when entering from seaward. This regional consistency is documented in the IALA Maritime Buoyage System and is essential for international mariners navigating South American waters.