Science and Technology · Inventions and Discoveries
What was the primary advantage of the electrical telegraph over earlier communication methods like postal mail in the 19th century?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Near-instantaneous transmission of messages over long distances✓
- 2The ability to transmit high-fidelity long-distance voice calls
- 3Low-cost delivery of heavy physical packages
- 4The inclusion of colorful photographic images within messages
Correct answer
Near-instantaneous transmission of messages over long distances
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