Respuesta :

The use of Telegraphs made the Pony Express out of business. This is a form of mail delivery over a long distance with the use of signals and electrical connection. With the invention of the transcontinental telegraphs, the need for horsemen delivering mails are no longer needed which made the company financially troubled and collapsed.

The use of Telegraphs was the comminaction channel that put out Pony Express out of business.

What service does Pony Express render?

Their service was based on horsemen delivering mails before the invent of Telegraphs.

However, the invention of Telegraphs which is a form of mail delivery over a long distance with the use of signals and electrical connection affected their service.

Therefore, the Option B is correct.

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