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Hace 20 horas · Origin of the name Eric Foner wrote that the term "was perhaps first used by a Washington newspaper in 1839, quoting a young slave hoping to escape bondage via a railroad that 'went underground all the way to Boston'". Dr. Robert Clemens Smedley wrote that following slave catchers' failed searches and lost traces of fugitives as far north as Columbia, Pennsylvania, they declared in ...
Hace 20 horas · Juan Pablo Bonet, Reducción de las letras y arte para enseñar a hablar a los mudos ("Reduction of letters and art for teaching mute people to speak") (Madrid, 1620) Groups of deaf people have used sign languages throughout history. One of the earliest written records of a sign language is from the fifth century B.C., in Plato's Cratylus, where Socrates says: "If we hadn't a voice or a tongue ...
