Question

how was ' American, name?
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Answer 1

Answer:

While the colonies may have established it, “America” was given a name long before. America is named after Amerigo Vespucci, the Italian explorer who set forth the then revolutionary concept that the lands that Christopher Columbus sailed to in 1492 were part of a separate continent.

Explanation:

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Answer 2

America is named after Amerigo Vespucci, the Italian explorer who set forth the then revolutionary concept that the lands that Christopher Columbus sailed to in 1492 were part of a separate continent. ... He included on the map data gathered by Vespucci during his voyages of 1501-1502 to the New World.