Great Britain was a seafaring nation.
Portugal.
I suspect that there are no great "Seafaring" nations left in the true sense of the word.
Yes. It is an island nation, with many marine industries being important and a strong history of sailing and other marine activities.
Australia is a nation in its own right.
Even if many people in a seafaring nation knew the exact looks of a dolphin, it does not mean that every artist knew.
Australia is all one nation.
Yes, Australia is a Debtor Nation.
Australia.
The word Australia refers to both the nation and the continent. Strictly speaking, the nation of Australia is on the continent of Australia.
It built ships with them and developed into the ancient world's biggest seafaring and trading nation.
Seafaring is a person traveling by sea