Telegraph and telephone most affect communication because it allows "People could communicate over long distances faster".
What is communication:
Communication can be defined as the exchange of ideas or information between two or more people.
- Telephone: This is a telecommunication device used for two-way talking with another person.
- Telegraph: This is a process of communicating rapidly between distant points, especially by means of established audible signals representing words or ideas or by means of words and signs, transmitted by electrical means.
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