People used the telegraph to send messages via Morse Code. Which was a variation of taps on a small pad sending electronic pulses that would make a beeping sound. There would be someone on the other end that would listen to the pulses and write them down into words
The answer is the Preamble, the preamble outlined the founding fathers intentions and was the introduction to the constitution. hope i helped, tag me if you need help
a) An A independent industry
Gold and jobs i guess there are a lot but those are what i thought of
