Austindillardrl Austindillardrl

17-02-2021
Physics

contestada

Which technological advancement made the Pony Express unnecessary?
Steamships
Cotton Gin
Telegraph
Steel Plow

Respuesta :

jacobhomovec jacobhomovec

17-02-2021

The answer is Telegraph

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kkaye66 kkaye66

17-02-2021

Telegraph! Because telegraphs were used to communicate and to (at that time) send messages rapidly.

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