Answer :
Communications and Transport.
Telegraph. The telegraph was invented by Samuel Morse in 1844, and telegraph wires soon sprang up all along the East Coast. ...
Aerial reconnaissance. ...
Railroads. ...
Army ambulance corps. ...
Weapons and Ships.
Long-Range Weapons and the Minie Bullet. ...
The Gatling Gun.
Telegraph. The telegraph was invented by Samuel Morse in 1844, and telegraph wires soon sprang up all along the East Coast. ...
Aerial reconnaissance. ...
Railroads. ...
Army ambulance corps. ...
Weapons and Ships.
Long-Range Weapons and the Minie Bullet. ...
The Gatling Gun.