How did Lincoln manage to transmit information from the front lines over a long distance to his residence?

Lincoln managed to set up lines that connected Washington and Baltimore so that he can transfer information quickly and more confidentially. He wanted to upgrade from the telegram system.

After the Morse test line was laid down between the Washington and Baltimore, a portion of ministry was against it.

While the transmit proceeded to turn into a pillar of news associations, monetary houses and distant like railways in the prior to the war years, it stayed an exception to both the individuals and their legislature.