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Sagot :
Before telephones were invented, it could send messages over long distances by using pulses of electricity to signal a machine to make marks on a moving paper tape. A code was necessary to help translate the marks on the paper tape into readable text messages.
Answer:
The death of Morse's wife was the impetus for his work on the telegraph. It was while working on the portrait of Lafayette that Morse suffered the personal tragedy that changed his life forever.
Explanation:
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