Ferdinand Magellan was the first (at least his crew) to successfully lead an expedition to circumnavigate the world. (he died on the voyage, but ~3 sailors made it back i believe, forgot the number of sailors, but very little)
hope this helps
There are many contributions of ancient Greece that helped the modern western world develop, but the best option from the list is "C. <span>election of political leaders"</span>
During Jackson's time, the common white man was giving the right to vote. During reconstruction ( the period after the civil war ) voting could no longer be denied on race or color because of the 15 the amendment, but still only applied to men. Women got the right to vote with the 19th amendment in 1920.
Cosimo de' Medici, the first member of the Medici dynasty in Florence during the Italian Renaissance, rather tan an autocrat; was considered a "<em>primus inter pares</em>" (a latin phrase meaning "first among equals"), an honorary tittle for someone who is formally equal to other members of their group but are accorded unofficial respect, traditionally owing to their seniority in office.
Because he came from the elite, he took it seriously and worked patronicing and funding several important artists. For this, he was known as a "<em>Patron of the Arts</em>", this characterization gave him the reputation of a true leader. During his mandate, he was a great patron of learning, the arts and architecture, among other things.