What was the final contribution of francis drake to humanity?

Francis Drake's final contribution to humanity was his role in the defeat of the Spanish Armada in 1588, which helped to secure England's naval dominance and independence from Spanish rule. His circumnavigation of the globe from 1577 to 1580 also expanded European knowledge of the world and contributed to the rise of British maritime power and exploration. Additionally, his actions fostered the spirit of exploration and trade that would later fuel the British Empire's expansion.