What was the final contribution of francis drake to humanity?

The final contribution that Sir Francis Drake made to humanity was his circumnavigation of the world, starting in 1577. He was the first Englishman to achieve this feat, and the only person to circumnavigate the globe in a single voyage up until that time. The scientific advancements and wealth he brought back from his travels were of great significance, and his journey became a symbol of English naval prowess. Drake's successful voyage also boosted the confidence and ambitions of the English people, encouraging future exploration and contributing to the expansion of the British Empire.