<P> In 1469, Fernão Gomes rented the rights of African exploration for five years . Under his direction, in 1471, the Portuguese reached modern Ghana and settled in A Mina (the mine), later renamed Elmina . They had finally reached a country with an abundance of gold, hence the historical name of "Gold Coast" that Elmina would eventually receive . </P> <P> In 1472, Fernão do Pó discovered the island that would bear his name for centuries (now Bioko) and an estuary abundant in shrimp (Portuguese: camarão,), giving its name to Cameroon . </P> <P> Soon after, the equator was crossed by Europeans . Portugal established a base in Sāo Tomé that, after 1485, was settled with criminals . After 1497, expelled Spanish and Portuguese Jews also found a safe haven there . </P> <P> In 1482, Diogo Cão found the mouth of a large river and learned of the existence of a great kingdom, Kongo . In 1485, he explored the river upstream as well . </P>

What were the results of the portuguese exploration of africa