The Underground Railroad wasn't a real railroad, but a network of courageous people who helped slaves secretly travel from the South to the North. In 1850, President Fillmore signed the Fugitive Slave Act, which made it illegal to help a slave run away and required officials to return escaped slaves to their owners.
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The Scientific Revolution in Europe produced a large flow of discoveries that changed European thought. These discoveries were in astronomy, optics, the science of motion, mathematics, and the field of physics. To prove these discoveries, scientists used the scientific method which helped establish facts.
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