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  • 02-10-2018
  • History
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Explain why time zones were created

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Аноним Аноним
  • 02-10-2018

The expansion of transport and communication during the 19th century created a need for a unified time-keeping system, and time zones were introduced. Time zones have a long history. The expansion of transport and communication during the 19th century created a need for a unified time-keeping system.

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