Communication now is so much easier

Who invented it:

The telegraph was made by Samuel Morse in the 1830's to 1840's. In addition to making the telegraph Samuel also made a code which he named after himself, Morse code.His invention worked by electrical signals being sent over wire laid between stations.
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What happens to the telegraph:

In the early 1900's the telegraph was improved by making it go longer distances by using more electricity. After more time other scientist improved it by making it use magnets which helped point at a panel having letters.