Question

what was Balboa's major accomplishment

Answer 1

Vasco Núñez de Balboa (c. 1475 – around January 12–21, 1519[1]) was a Spanish explorer, governor, and conquistador. He is best known for having crossed the Isthmus of Panama to the Pacific Ocean in 1513, becoming the first European to lead an expedition to have seen or reached the Pacific from the New World.

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Answer 2

http://en.wikipedia.org/wiki/Vasco_N%C3%BA%C3%B1ez_de_Balboa