You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

[Q]: Category: POLITICS 
Clue: In 1958 he became the first Democrat elected by popular vote to the U.S. Senate from Maine
[A]: edmund muskie


[Q]: Category: HISTORY 
Clue: In 1720 Victor Amadeus II of Savoy gave Sicily to Austria in exchange for this other large island
[A]: sardinia


[Q]: Category: NEW WORLD EXPLORERS 
Clue: After discovering the MIssissippi River on May 8, 1541, he took several weeks to build barges to cross it
[A]:
de soto