What was ferdinand magellan known for?
a. sponsoring the voyages of christopher columbus
b. leading the first expedition to circumnavigate the globe
c. claiming parts of south america for portugal and introducing the portuguese language there
d. being the first european to sail around the tip of africa and reach asia

b. leading the first expedition to circumnavigate the globe  

Explanation:

Ferdinand Magellan was a Portuguese navigator who, in the service of the king of Spain, commanded the maritime expedition that carried out the first sea voyage around the globe.

He was the first navigator to reach Tierra del Fuego in the extreme south of the American continent, crossed the Strait of Magellan and crossed the Pacific Ocean, which he named in this way, for its calm waters.

c. typhoon

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