To Portuguese explorers, the coast of West Africa became known as the "Gold Coast."
The correct answer is "Gold Coast." To find the answer, you can use various methods, such as researching historical maps, books, or online sources. In this case, researching the history of Portuguese exploration in West Africa would provide the necessary information. The Portuguese were one of the first European powers to explore the West African coast, and they established trading posts and colonies in the region.
