Discuss into details why the coast of the gold coast became a commercial hot bed of european african trade

The Gold Coast was a British colony on the Gulf of Guinea in west Africa from 1867 to its independence as the nation of Ghana in 1957.

The first Europeans to arrive at the coast were the Portuguese in 1471. They encountered a variety of African kingdoms, some of which controlled substantial deposits of gold in the soil. The kingdoms had a tradition of enslaving captives taken in warfare. Some were sold to Arab traders from North Africa and transported to Islamic Mediterranean civilizations.

i am sure the answer is d