Does 'Today, the island is little more than a forgotten backwater with few ferry connections to other islands, but its strong natural defenses gave it advantages in ancient times.' offer a contrasting position to 'The backwater has been forgotten because it is surrounded by debris.'
Today, the island is little more than a forgotten backwater with few ferry connections to other islands, but its strong natural defenses gave it advantages in ancient times.###The backwater has been forgotten because it is surrounded by debris.