They have a command economy because the government regulates each aspect of the economy.
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
<span>The one that best describes the effect of decisions made by the Marshall Supreme Court is letter D, the Court encouraged the growth of businesses by freeing them from meddling state laws. John Marshall was the fourth Chief Justice of the Supreme Court of the United States.</span>