In 1572, Francis Drake and his crew of 73 men sailed in two small boats from England to the Isthmus of Panama, a narrow strip of land on Central America. The Isthmus had become a flourishing staging ground for the shipment of the treasures taken from the Aztec and Inca Empires and headed to the Spanish Coffers. Spain used the immense riches to fund the successful Spanish Armada and to govern the African slave trade in the Western hemisphere. The Spaniards...