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How did the multiplex telegraph change communication in the 1800s?
It helped trai...
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Social Studies, 23.11.2020 05:10 dadonelson2109
HELP!
How did the multiplex telegraph change communication in the 1800s?
It helped trains run on schedule and avoid collisions.
It made it possible to use Morse code with telegraphs.
It helped telegraphs transmit messages at a faster rate.
It allowed people to communicate using speech alone.
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