AP Explains: Columbus, once immigrant hero, now heel to some

The image and story of Christopher Columbus, the 15th century navigator who began European incursions into the Americas, have changed in the U.S. over the decades. Columbus was an obscure figure until his adventures were revitalized in the 1800s. Born in the Republic of Genoa (now Italy), Columbus took part in several voyages in the Aegean and Mediterranean seas as a teenager and later participated in expeditions to Africa.
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