Theygot the idea from the fishes to build a submarine. As fishes have swim bladder they kept ballast tanks in the submarine.
To go under the water and they got the idea by fisfes.
Submarines in various forms had been around for well over 200 years before Holland ever got into the submarine business. He was just the first to incorporate diesel-electric technology and add it to submarine designs.
The fins help steer the submarine; making it be able to turn left or right.
The USS Housatonic, sunk by the Confederate submarine CSS Hunley.
Pretty much plants used for making drugs nah I got no idea
No, the Lusitania is a famous passenger ship that should been targeted by the submarine. It's not the greatest idea to sink the Lusitania.
Was the humboldt a submarine?
by train acctually they got there by submarine or hovercar
Because the onion told the garlic it was suppouse to do that so they created it
TV Reader's Digest - 1955 The Making of a Submarine 2-5 was released on: USA: 14 November 1955
Submarine Warfare
Well I'm just guessing but would would use Morse code to communicate with a submarine and Morse code was a great idea like in movies when somebody has a good idea a light bulb comes on above there head.