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grade:
3
subject:
History
topic:
How the telegraph transformed communication in the 19th century
character:
Samuel Morse
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grade:
3
subject:
History
topic:
Basics of Morse code and its use in telegraphy
character:
Morse Code
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grade:
3
subject:
History
topic:
Roles of telegraph operators in 19th-century communication
character:
Telegraph Operators
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grade:
3
subject:
History
topic:
Impact of the telegraph on society and business in the 1800s
character:
Communication Revolution
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