The telegraph has a close relationship with the development of radio.

Question

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The telegraph was one of the earliest forms of long-distance communication, and it laid the groundwork for the development of radio technology. Many pioneers in radio technology, such as Guglielmo Marconi, built upon the principles of electromagnetism and wireless communication that were first explored in telegraphy. Therefore, the telegraph has a close relationship with the development of radio.

The Telegraph Has a Close Relationship with the Development of Radio