At the end of the Civil War, the communication system that the
railroad used to coordinate their complex flow of rail cars is through the
telegraph. This is used for transmitting messages with the use of a wire in
which is a way of making signals in means of breaking and making an electrical
connection.
Because the soviets were with the nazis at that time and europe was going to be taken over during world war II
United states, France, Great Britan and, Japan
