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The Ice-Free Corridor hypothesis (or IFC) has been a reasonable theory for how human colonization of the American continents occurred since at least the 1930s. ... In 1840, Louis Agassiz put forward his theory that the continents had been covered by glacial ice at several points in our ancient history
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Philiphianes china colombia syria cuba
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Petetrarch is most famous for his Canzoniere, a collection of vernacular poems about Laura, the woman the speaker loves for most of his life, but cannot have her.
The ancient Maya, a diverse group of indigenous people who lived in parts of present-day Mexico, Belize, Guatemala, El Salvador and Honduras, had one of the most sophisticated and complex civilizations in the Western Hemisphere. Between about 300 and 900 A.D., the Maya were responsible for a number of remarkable scientific achievements–in astronomy, agriculture, engineering and communications.
