What communication system first made possible the coordination of nationwide shipments?

A) telegraph
B) newspapers
C) the pony express
D) the telephone

Communication System

An arrangement or network used to transmit, receive, and process information between parties.

Nationwide Shipments

The transportation of goods across an entire country, encompassing logistics and distribution practices that facilitate the movement of products from one region to another.

Telegraph

An outdated form of communication technology that transmits text messages over long distances through the use of coded signals.