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Today we take for granted that the world is round. In the fifteenth century, however, most people believed the world was flat. They thought that monsters or a trip over the edge of the earth waited for anybody who sailed outside the limits of known territory. People laughed at or jailed others who dared think that the world was in the shape of a globe.
There were educated persons, however, who reasoned that the world must be round. An Italian named Christopher Columbus was bold enough to push this notion, and ask for money to explore the seas, and find what he thought would be the other hemisphere of the earth. Portugal, Italy and England refused t
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